// Copyright 2020-2022 F4PGA Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // SPDX-License-Identifier: Apache-2.0 `timescale 1ps/1ps `default_nettype none (* blackbox *) module QL_DSP1 ( input wire [19:0] a, input wire [17:0] b, (* clkbuf_sink *) input wire clk0, (* clkbuf_sink *) input wire clk1, input wire [ 1:0] feedback0, input wire [ 1:0] feedback1, input wire load_acc0, input wire load_acc1, input wire reset0, input wire reset1, output reg [37:0] z ); parameter MODE_BITS = 27'b00000000000000000000000000; endmodule /* QL_DSP1 */ // ---------------------------------------- // // ----- DSP cells simulation modules ----- // // --------- Control bits in ports -------- // // ---------------------------------------- // module QL_DSP2 ( // TODO: Name subject to change input wire [19:0] a, input wire [17:0] b, input wire [ 5:0] acc_fir, output wire [37:0] z, output wire [17:0] dly_b, (* clkbuf_sink *) input wire clk, input wire reset, input wire [2:0] feedback, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [2:0] output_select, input wire saturate_enable, input wire [5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; localparam NBITS_ACC = 64; localparam NBITS_A = 20; localparam NBITS_B = 18; localparam NBITS_Z = 38; wire [NBITS_Z-1:0] dsp_full_z; wire [(NBITS_Z/2)-1:0] dsp_frac0_z; wire [(NBITS_Z/2)-1:0] dsp_frac1_z; wire [NBITS_B-1:0] dsp_full_dly_b; wire [(NBITS_B/2)-1:0] dsp_frac0_dly_b; wire [(NBITS_B/2)-1:0] dsp_frac1_dly_b; assign z = f_mode ? {dsp_frac1_z, dsp_frac0_z} : dsp_full_z; assign dly_b = f_mode ? {dsp_frac1_dly_b, dsp_frac0_dly_b} : dsp_full_dly_b; // Output used when fmode == 1 dsp_t1_sim_cfg_ports #( .NBITS_A(NBITS_A/2), .NBITS_B(NBITS_B/2), .NBITS_ACC(NBITS_ACC/2), .NBITS_Z(NBITS_Z/2) ) dsp_frac0 ( .a_i(a[(NBITS_A/2)-1:0]), .b_i(b[(NBITS_B/2)-1:0]), .z_o(dsp_frac0_z), .dly_b_o(dsp_frac0_dly_b), .acc_fir_i(acc_fir), .feedback_i(feedback), .load_acc_i(load_acc), .unsigned_a_i(unsigned_a), .unsigned_b_i(unsigned_b), .clock_i(clk), .s_reset(reset), .saturate_enable_i(saturate_enable), .output_select_i(output_select), .round_i(round), .shift_right_i(shift_right), .subtract_i(subtract), .register_inputs_i(register_inputs), .coef_0_i(COEFF_0[(NBITS_A/2)-1:0]), .coef_1_i(COEFF_1[(NBITS_A/2)-1:0]), .coef_2_i(COEFF_2[(NBITS_A/2)-1:0]), .coef_3_i(COEFF_3[(NBITS_A/2)-1:0]) ); // Output used when fmode == 1 dsp_t1_sim_cfg_ports #( .NBITS_A(NBITS_A/2), .NBITS_B(NBITS_B/2), .NBITS_ACC(NBITS_ACC/2), .NBITS_Z(NBITS_Z/2) ) dsp_frac1 ( .a_i(a[NBITS_A-1:NBITS_A/2]), .b_i(b[NBITS_B-1:NBITS_B/2]), .z_o(dsp_frac1_z), .dly_b_o(dsp_frac1_dly_b), .acc_fir_i(acc_fir), .feedback_i(feedback), .load_acc_i(load_acc), .unsigned_a_i(unsigned_a), .unsigned_b_i(unsigned_b), .clock_i(clk), .s_reset(reset), .saturate_enable_i(saturate_enable), .output_select_i(output_select), .round_i(round), .shift_right_i(shift_right), .subtract_i(subtract), .register_inputs_i(register_inputs), .coef_0_i(COEFF_0[NBITS_A-1:NBITS_A/2]), .coef_1_i(COEFF_1[NBITS_A-1:NBITS_A/2]), .coef_2_i(COEFF_2[NBITS_A-1:NBITS_A/2]), .coef_3_i(COEFF_3[NBITS_A-1:NBITS_A/2]) ); // Output used when fmode == 0 dsp_t1_sim_cfg_ports #( .NBITS_A(NBITS_A), .NBITS_B(NBITS_B), .NBITS_ACC(NBITS_ACC), .NBITS_Z(NBITS_Z) ) dsp_full ( .a_i(a), .b_i(b), .z_o(dsp_full_z), .dly_b_o(dsp_full_dly_b), .acc_fir_i(acc_fir), .feedback_i(feedback), .load_acc_i(load_acc), .unsigned_a_i(unsigned_a), .unsigned_b_i(unsigned_b), .clock_i(clk), .s_reset(reset), .saturate_enable_i(saturate_enable), .output_select_i(output_select), .round_i(round), .shift_right_i(shift_right), .subtract_i(subtract), .register_inputs_i(register_inputs), .coef_0_i(COEFF_0), .coef_1_i(COEFF_1), .coef_2_i(COEFF_2), .coef_3_i(COEFF_3) ); endmodule module QL_DSP2_MULT ( // TODO: Name subject to change input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, input wire reset, input wire [2:0] feedback, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [2:0] output_select, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .clk(1'b0), .reset(reset), .f_mode(f_mode), .feedback(feedback), .load_acc(1'b0), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .output_select(output_select), // unregistered output: a * b (0) .saturate_enable(1'b0), .shift_right(6'b0), .round(1'b0), .subtract(1'b0), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (a[0] => z[0]) = 0; (a[1] => z[0]) = 0; (a[2] => z[0]) = 0; (a[3] => z[0]) = 0; (a[4] => z[0]) = 0; (a[5] => z[0]) = 0; (a[6] => z[0]) = 0; (a[7] => z[0]) = 0; (a[8] => z[0]) = 0; (a[9] => z[0]) = 0; (a[10] => z[0]) = 0; (a[11] => z[0]) = 0; (a[12] => z[0]) = 0; (a[13] => z[0]) = 0; (a[14] => z[0]) = 0; (a[15] => z[0]) = 0; (a[16] => z[0]) = 0; (a[17] => z[0]) = 0; (a[18] => z[0]) = 0; (a[19] => z[0]) = 0; (b[0] => z[0]) = 0; (b[1] => z[0]) = 0; (b[2] => z[0]) = 0; (b[3] => z[0]) = 0; (b[4] => z[0]) = 0; (b[5] => z[0]) = 0; (b[6] => z[0]) = 0; (b[7] => z[0]) = 0; (b[8] => z[0]) = 0; (b[9] => z[0]) = 0; (b[10] => z[0]) = 0; (b[11] => z[0]) = 0; (b[12] => z[0]) = 0; (b[13] => z[0]) = 0; (b[14] => z[0]) = 0; (b[15] => z[0]) = 0; (b[16] => z[0]) = 0; (b[17] => z[0]) = 0; (a[0] => z[1]) = 0; (a[1] => z[1]) = 0; (a[2] => z[1]) = 0; (a[3] => z[1]) = 0; (a[4] => z[1]) = 0; (a[5] => z[1]) = 0; (a[6] => z[1]) = 0; (a[7] => z[1]) = 0; (a[8] => z[1]) = 0; (a[9] => z[1]) = 0; (a[10] => z[1]) = 0; (a[11] => z[1]) = 0; (a[12] => z[1]) = 0; (a[13] => z[1]) = 0; (a[14] => z[1]) = 0; (a[15] => z[1]) = 0; (a[16] => z[1]) = 0; (a[17] => z[1]) = 0; (a[18] => z[1]) = 0; (a[19] => z[1]) = 0; (b[0] => z[1]) = 0; (b[1] => z[1]) = 0; (b[2] => z[1]) = 0; (b[3] => z[1]) = 0; (b[4] => z[1]) = 0; (b[5] => z[1]) = 0; (b[6] => z[1]) = 0; (b[7] => z[1]) = 0; (b[8] => z[1]) = 0; (b[9] => z[1]) = 0; (b[10] => z[1]) = 0; (b[11] => z[1]) = 0; (b[12] => z[1]) = 0; (b[13] => z[1]) = 0; (b[14] => z[1]) = 0; (b[15] => z[1]) = 0; (b[16] => z[1]) = 0; (b[17] => z[1]) = 0; (a[0] => z[2]) = 0; (a[1] => z[2]) = 0; (a[2] => z[2]) = 0; (a[3] => z[2]) = 0; (a[4] => z[2]) = 0; (a[5] => z[2]) = 0; (a[6] => z[2]) = 0; (a[7] => z[2]) = 0; (a[8] => z[2]) = 0; (a[9] => z[2]) = 0; (a[10] => z[2]) = 0; (a[11] => z[2]) = 0; (a[12] => z[2]) = 0; (a[13] => z[2]) = 0; (a[14] => z[2]) = 0; (a[15] => z[2]) = 0; (a[16] => z[2]) = 0; (a[17] => z[2]) = 0; (a[18] => z[2]) = 0; (a[19] => z[2]) = 0; (b[0] => z[2]) = 0; (b[1] => z[2]) = 0; (b[2] => z[2]) = 0; (b[3] => z[2]) = 0; (b[4] => z[2]) = 0; (b[5] => z[2]) = 0; (b[6] => z[2]) = 0; (b[7] => z[2]) = 0; (b[8] => z[2]) = 0; (b[9] => z[2]) = 0; (b[10] => z[2]) = 0; (b[11] => z[2]) = 0; (b[12] => z[2]) = 0; (b[13] => z[2]) = 0; (b[14] => z[2]) = 0; (b[15] => z[2]) = 0; (b[16] => z[2]) = 0; (b[17] => z[2]) = 0; (a[0] => z[3]) = 0; (a[1] => z[3]) = 0; (a[2] => z[3]) = 0; (a[3] => z[3]) = 0; (a[4] => z[3]) = 0; (a[5] => z[3]) = 0; (a[6] => z[3]) = 0; (a[7] => z[3]) = 0; (a[8] => z[3]) = 0; (a[9] => z[3]) = 0; (a[10] => z[3]) = 0; (a[11] => z[3]) = 0; (a[12] => z[3]) = 0; (a[13] => z[3]) = 0; (a[14] => z[3]) = 0; (a[15] => z[3]) = 0; (a[16] => z[3]) = 0; (a[17] => z[3]) = 0; (a[18] => z[3]) = 0; (a[19] => z[3]) = 0; (b[0] => z[3]) = 0; (b[1] => z[3]) = 0; (b[2] => z[3]) = 0; (b[3] => z[3]) = 0; (b[4] => z[3]) = 0; (b[5] => z[3]) = 0; (b[6] => z[3]) = 0; (b[7] => z[3]) = 0; (b[8] => z[3]) = 0; (b[9] => z[3]) = 0; (b[10] => z[3]) = 0; (b[11] => z[3]) = 0; (b[12] => z[3]) = 0; (b[13] => z[3]) = 0; (b[14] => z[3]) = 0; (b[15] => z[3]) = 0; (b[16] => z[3]) = 0; (b[17] => z[3]) = 0; (a[0] => z[4]) = 0; (a[1] => z[4]) = 0; (a[2] => z[4]) = 0; (a[3] => z[4]) = 0; (a[4] => z[4]) = 0; (a[5] => z[4]) = 0; (a[6] => z[4]) = 0; (a[7] => z[4]) = 0; (a[8] => z[4]) = 0; (a[9] => z[4]) = 0; (a[10] => z[4]) = 0; (a[11] => z[4]) = 0; (a[12] => z[4]) = 0; (a[13] => z[4]) = 0; (a[14] => z[4]) = 0; (a[15] => z[4]) = 0; (a[16] => z[4]) = 0; (a[17] => z[4]) = 0; (a[18] => z[4]) = 0; (a[19] => z[4]) = 0; (b[0] => z[4]) = 0; (b[1] => z[4]) = 0; (b[2] => z[4]) = 0; (b[3] => z[4]) = 0; (b[4] => z[4]) = 0; (b[5] => z[4]) = 0; (b[6] => z[4]) = 0; (b[7] => z[4]) = 0; (b[8] => z[4]) = 0; (b[9] => z[4]) = 0; (b[10] => z[4]) = 0; (b[11] => z[4]) = 0; (b[12] => z[4]) = 0; (b[13] => z[4]) = 0; (b[14] => z[4]) = 0; (b[15] => z[4]) = 0; (b[16] => z[4]) = 0; (b[17] => z[4]) = 0; (a[0] => z[5]) = 0; (a[1] => z[5]) = 0; (a[2] => z[5]) = 0; (a[3] => z[5]) = 0; (a[4] => z[5]) = 0; (a[5] => z[5]) = 0; (a[6] => z[5]) = 0; (a[7] => z[5]) = 0; (a[8] => z[5]) = 0; (a[9] => z[5]) = 0; (a[10] => z[5]) = 0; (a[11] => z[5]) = 0; (a[12] => z[5]) = 0; (a[13] => z[5]) = 0; (a[14] => z[5]) = 0; (a[15] => z[5]) = 0; (a[16] => z[5]) = 0; (a[17] => z[5]) = 0; (a[18] => z[5]) = 0; (a[19] => z[5]) = 0; (b[0] => z[5]) = 0; (b[1] => z[5]) = 0; (b[2] => z[5]) = 0; (b[3] => z[5]) = 0; (b[4] => z[5]) = 0; (b[5] => z[5]) = 0; (b[6] => z[5]) = 0; (b[7] => z[5]) = 0; (b[8] => z[5]) = 0; (b[9] => z[5]) = 0; (b[10] => z[5]) = 0; (b[11] => z[5]) = 0; (b[12] => z[5]) = 0; (b[13] => z[5]) = 0; (b[14] => z[5]) = 0; (b[15] => z[5]) = 0; (b[16] => z[5]) = 0; (b[17] => z[5]) = 0; (a[0] => z[6]) = 0; (a[1] => z[6]) = 0; (a[2] => z[6]) = 0; (a[3] => z[6]) = 0; (a[4] => z[6]) = 0; (a[5] => z[6]) = 0; (a[6] => z[6]) = 0; (a[7] => z[6]) = 0; (a[8] => z[6]) = 0; (a[9] => z[6]) = 0; (a[10] => z[6]) = 0; (a[11] => z[6]) = 0; (a[12] => z[6]) = 0; (a[13] => z[6]) = 0; (a[14] => z[6]) = 0; (a[15] => z[6]) = 0; (a[16] => z[6]) = 0; (a[17] => z[6]) = 0; (a[18] => z[6]) = 0; (a[19] => z[6]) = 0; (b[0] => z[6]) = 0; (b[1] => z[6]) = 0; (b[2] => z[6]) = 0; (b[3] => z[6]) = 0; (b[4] => z[6]) = 0; (b[5] => z[6]) = 0; (b[6] => z[6]) = 0; (b[7] => z[6]) = 0; (b[8] => z[6]) = 0; (b[9] => z[6]) = 0; (b[10] => z[6]) = 0; (b[11] => z[6]) = 0; (b[12] => z[6]) = 0; (b[13] => z[6]) = 0; (b[14] => z[6]) = 0; (b[15] => z[6]) = 0; (b[16] => z[6]) = 0; (b[17] => z[6]) = 0; (a[0] => z[7]) = 0; (a[1] => z[7]) = 0; (a[2] => z[7]) = 0; (a[3] => z[7]) = 0; (a[4] => z[7]) = 0; (a[5] => z[7]) = 0; (a[6] => z[7]) = 0; (a[7] => z[7]) = 0; (a[8] => z[7]) = 0; (a[9] => z[7]) = 0; (a[10] => z[7]) = 0; (a[11] => z[7]) = 0; (a[12] => z[7]) = 0; (a[13] => z[7]) = 0; (a[14] => z[7]) = 0; (a[15] => z[7]) = 0; (a[16] => z[7]) = 0; (a[17] => z[7]) = 0; (a[18] => z[7]) = 0; (a[19] => z[7]) = 0; (b[0] => z[7]) = 0; (b[1] => z[7]) = 0; (b[2] => z[7]) = 0; (b[3] => z[7]) = 0; (b[4] => z[7]) = 0; (b[5] => z[7]) = 0; (b[6] => z[7]) = 0; (b[7] => z[7]) = 0; (b[8] => z[7]) = 0; (b[9] => z[7]) = 0; (b[10] => z[7]) = 0; (b[11] => z[7]) = 0; (b[12] => z[7]) = 0; (b[13] => z[7]) = 0; (b[14] => z[7]) = 0; (b[15] => z[7]) = 0; (b[16] => z[7]) = 0; (b[17] => z[7]) = 0; (a[0] => z[8]) = 0; (a[1] => z[8]) = 0; (a[2] => z[8]) = 0; (a[3] => z[8]) = 0; (a[4] => z[8]) = 0; (a[5] => z[8]) = 0; (a[6] => z[8]) = 0; (a[7] => z[8]) = 0; (a[8] => z[8]) = 0; (a[9] => z[8]) = 0; (a[10] => z[8]) = 0; (a[11] => z[8]) = 0; (a[12] => z[8]) = 0; (a[13] => z[8]) = 0; (a[14] => z[8]) = 0; (a[15] => z[8]) = 0; (a[16] => z[8]) = 0; (a[17] => z[8]) = 0; (a[18] => z[8]) = 0; (a[19] => z[8]) = 0; (b[0] => z[8]) = 0; (b[1] => z[8]) = 0; (b[2] => z[8]) = 0; (b[3] => z[8]) = 0; (b[4] => z[8]) = 0; (b[5] => z[8]) = 0; (b[6] => z[8]) = 0; (b[7] => z[8]) = 0; (b[8] => z[8]) = 0; (b[9] => z[8]) = 0; (b[10] => z[8]) = 0; (b[11] => z[8]) = 0; (b[12] => z[8]) = 0; (b[13] => z[8]) = 0; (b[14] => z[8]) = 0; (b[15] => z[8]) = 0; (b[16] => z[8]) = 0; (b[17] => z[8]) = 0; (a[0] => z[9]) = 0; (a[1] => z[9]) = 0; (a[2] => z[9]) = 0; (a[3] => z[9]) = 0; (a[4] => z[9]) = 0; (a[5] => z[9]) = 0; (a[6] => z[9]) = 0; (a[7] => z[9]) = 0; (a[8] => z[9]) = 0; (a[9] => z[9]) = 0; (a[10] => z[9]) = 0; (a[11] => z[9]) = 0; (a[12] => z[9]) = 0; (a[13] => z[9]) = 0; (a[14] => z[9]) = 0; (a[15] => z[9]) = 0; (a[16] => z[9]) = 0; (a[17] => z[9]) = 0; (a[18] => z[9]) = 0; (a[19] => z[9]) = 0; (b[0] => z[9]) = 0; (b[1] => z[9]) = 0; (b[2] => z[9]) = 0; (b[3] => z[9]) = 0; (b[4] => z[9]) = 0; (b[5] => z[9]) = 0; (b[6] => z[9]) = 0; (b[7] => z[9]) = 0; (b[8] => z[9]) = 0; (b[9] => z[9]) = 0; (b[10] => z[9]) = 0; (b[11] => z[9]) = 0; (b[12] => z[9]) = 0; (b[13] => z[9]) = 0; (b[14] => z[9]) = 0; (b[15] => z[9]) = 0; (b[16] => z[9]) = 0; (b[17] => z[9]) = 0; (a[0] => z[10]) = 0; (a[1] => z[10]) = 0; (a[2] => z[10]) = 0; (a[3] => z[10]) = 0; (a[4] => z[10]) = 0; (a[5] => z[10]) = 0; (a[6] => z[10]) = 0; (a[7] => z[10]) = 0; (a[8] => z[10]) = 0; (a[9] => z[10]) = 0; (a[10] => z[10]) = 0; (a[11] => z[10]) = 0; (a[12] => z[10]) = 0; (a[13] => z[10]) = 0; (a[14] => z[10]) = 0; (a[15] => z[10]) = 0; (a[16] => z[10]) = 0; (a[17] => z[10]) = 0; (a[18] => z[10]) = 0; (a[19] => z[10]) = 0; (b[0] => z[10]) = 0; (b[1] => z[10]) = 0; (b[2] => z[10]) = 0; (b[3] => z[10]) = 0; (b[4] => z[10]) = 0; (b[5] => z[10]) = 0; (b[6] => z[10]) = 0; (b[7] => z[10]) = 0; (b[8] => z[10]) = 0; (b[9] => z[10]) = 0; (b[10] => z[10]) = 0; (b[11] => z[10]) = 0; (b[12] => z[10]) = 0; (b[13] => z[10]) = 0; (b[14] => z[10]) = 0; (b[15] => z[10]) = 0; (b[16] => z[10]) = 0; (b[17] => z[10]) = 0; (a[0] => z[11]) = 0; (a[1] => z[11]) = 0; (a[2] => z[11]) = 0; (a[3] => z[11]) = 0; (a[4] => z[11]) = 0; (a[5] => z[11]) = 0; (a[6] => z[11]) = 0; (a[7] => z[11]) = 0; (a[8] => z[11]) = 0; (a[9] => z[11]) = 0; (a[10] => z[11]) = 0; (a[11] => z[11]) = 0; (a[12] => z[11]) = 0; (a[13] => z[11]) = 0; (a[14] => z[11]) = 0; (a[15] => z[11]) = 0; (a[16] => z[11]) = 0; (a[17] => z[11]) = 0; (a[18] => z[11]) = 0; (a[19] => z[11]) = 0; (b[0] => z[11]) = 0; (b[1] => z[11]) = 0; (b[2] => z[11]) = 0; (b[3] => z[11]) = 0; (b[4] => z[11]) = 0; (b[5] => z[11]) = 0; (b[6] => z[11]) = 0; (b[7] => z[11]) = 0; (b[8] => z[11]) = 0; (b[9] => z[11]) = 0; (b[10] => z[11]) = 0; (b[11] => z[11]) = 0; (b[12] => z[11]) = 0; (b[13] => z[11]) = 0; (b[14] => z[11]) = 0; (b[15] => z[11]) = 0; (b[16] => z[11]) = 0; (b[17] => z[11]) = 0; (a[0] => z[12]) = 0; (a[1] => z[12]) = 0; (a[2] => z[12]) = 0; (a[3] => z[12]) = 0; (a[4] => z[12]) = 0; (a[5] => z[12]) = 0; (a[6] => z[12]) = 0; (a[7] => z[12]) = 0; (a[8] => z[12]) = 0; (a[9] => z[12]) = 0; (a[10] => z[12]) = 0; (a[11] => z[12]) = 0; (a[12] => z[12]) = 0; (a[13] => z[12]) = 0; (a[14] => z[12]) = 0; (a[15] => z[12]) = 0; (a[16] => z[12]) = 0; (a[17] => z[12]) = 0; (a[18] => z[12]) = 0; (a[19] => z[12]) = 0; (b[0] => z[12]) = 0; (b[1] => z[12]) = 0; (b[2] => z[12]) = 0; (b[3] => z[12]) = 0; (b[4] => z[12]) = 0; (b[5] => z[12]) = 0; (b[6] => z[12]) = 0; (b[7] => z[12]) = 0; (b[8] => z[12]) = 0; (b[9] => z[12]) = 0; (b[10] => z[12]) = 0; (b[11] => z[12]) = 0; (b[12] => z[12]) = 0; (b[13] => z[12]) = 0; (b[14] => z[12]) = 0; (b[15] => z[12]) = 0; (b[16] => z[12]) = 0; (b[17] => z[12]) = 0; (a[0] => z[13]) = 0; (a[1] => z[13]) = 0; (a[2] => z[13]) = 0; (a[3] => z[13]) = 0; (a[4] => z[13]) = 0; (a[5] => z[13]) = 0; (a[6] => z[13]) = 0; (a[7] => z[13]) = 0; (a[8] => z[13]) = 0; (a[9] => z[13]) = 0; (a[10] => z[13]) = 0; (a[11] => z[13]) = 0; (a[12] => z[13]) = 0; (a[13] => z[13]) = 0; (a[14] => z[13]) = 0; (a[15] => z[13]) = 0; (a[16] => z[13]) = 0; (a[17] => z[13]) = 0; (a[18] => z[13]) = 0; (a[19] => z[13]) = 0; (b[0] => z[13]) = 0; (b[1] => z[13]) = 0; (b[2] => z[13]) = 0; (b[3] => z[13]) = 0; (b[4] => z[13]) = 0; (b[5] => z[13]) = 0; (b[6] => z[13]) = 0; (b[7] => z[13]) = 0; (b[8] => z[13]) = 0; (b[9] => z[13]) = 0; (b[10] => z[13]) = 0; (b[11] => z[13]) = 0; (b[12] => z[13]) = 0; (b[13] => z[13]) = 0; (b[14] => z[13]) = 0; (b[15] => z[13]) = 0; (b[16] => z[13]) = 0; (b[17] => z[13]) = 0; (a[0] => z[14]) = 0; (a[1] => z[14]) = 0; (a[2] => z[14]) = 0; (a[3] => z[14]) = 0; (a[4] => z[14]) = 0; (a[5] => z[14]) = 0; (a[6] => z[14]) = 0; (a[7] => z[14]) = 0; (a[8] => z[14]) = 0; (a[9] => z[14]) = 0; (a[10] => z[14]) = 0; (a[11] => z[14]) = 0; (a[12] => z[14]) = 0; (a[13] => z[14]) = 0; (a[14] => z[14]) = 0; (a[15] => z[14]) = 0; (a[16] => z[14]) = 0; (a[17] => z[14]) = 0; (a[18] => z[14]) = 0; (a[19] => z[14]) = 0; (b[0] => z[14]) = 0; (b[1] => z[14]) = 0; (b[2] => z[14]) = 0; (b[3] => z[14]) = 0; (b[4] => z[14]) = 0; (b[5] => z[14]) = 0; (b[6] => z[14]) = 0; (b[7] => z[14]) = 0; (b[8] => z[14]) = 0; (b[9] => z[14]) = 0; (b[10] => z[14]) = 0; (b[11] => z[14]) = 0; (b[12] => z[14]) = 0; (b[13] => z[14]) = 0; (b[14] => z[14]) = 0; (b[15] => z[14]) = 0; (b[16] => z[14]) = 0; (b[17] => z[14]) = 0; (a[0] => z[15]) = 0; (a[1] => z[15]) = 0; (a[2] => z[15]) = 0; (a[3] => z[15]) = 0; (a[4] => z[15]) = 0; (a[5] => z[15]) = 0; (a[6] => z[15]) = 0; (a[7] => z[15]) = 0; (a[8] => z[15]) = 0; (a[9] => z[15]) = 0; (a[10] => z[15]) = 0; (a[11] => z[15]) = 0; (a[12] => z[15]) = 0; (a[13] => z[15]) = 0; (a[14] => z[15]) = 0; (a[15] => z[15]) = 0; (a[16] => z[15]) = 0; (a[17] => z[15]) = 0; (a[18] => z[15]) = 0; (a[19] => z[15]) = 0; (b[0] => z[15]) = 0; (b[1] => z[15]) = 0; (b[2] => z[15]) = 0; (b[3] => z[15]) = 0; (b[4] => z[15]) = 0; (b[5] => z[15]) = 0; (b[6] => z[15]) = 0; (b[7] => z[15]) = 0; (b[8] => z[15]) = 0; (b[9] => z[15]) = 0; (b[10] => z[15]) = 0; (b[11] => z[15]) = 0; (b[12] => z[15]) = 0; (b[13] => z[15]) = 0; (b[14] => z[15]) = 0; (b[15] => z[15]) = 0; (b[16] => z[15]) = 0; (b[17] => z[15]) = 0; (a[0] => z[16]) = 0; (a[1] => z[16]) = 0; (a[2] => z[16]) = 0; (a[3] => z[16]) = 0; (a[4] => z[16]) = 0; (a[5] => z[16]) = 0; (a[6] => z[16]) = 0; (a[7] => z[16]) = 0; (a[8] => z[16]) = 0; (a[9] => z[16]) = 0; (a[10] => z[16]) = 0; (a[11] => z[16]) = 0; (a[12] => z[16]) = 0; (a[13] => z[16]) = 0; (a[14] => z[16]) = 0; (a[15] => z[16]) = 0; (a[16] => z[16]) = 0; (a[17] => z[16]) = 0; (a[18] => z[16]) = 0; (a[19] => z[16]) = 0; (b[0] => z[16]) = 0; (b[1] => z[16]) = 0; (b[2] => z[16]) = 0; (b[3] => z[16]) = 0; (b[4] => z[16]) = 0; (b[5] => z[16]) = 0; (b[6] => z[16]) = 0; (b[7] => z[16]) = 0; (b[8] => z[16]) = 0; (b[9] => z[16]) = 0; (b[10] => z[16]) = 0; (b[11] => z[16]) = 0; (b[12] => z[16]) = 0; (b[13] => z[16]) = 0; (b[14] => z[16]) = 0; (b[15] => z[16]) = 0; (b[16] => z[16]) = 0; (b[17] => z[16]) = 0; (a[0] => z[17]) = 0; (a[1] => z[17]) = 0; (a[2] => z[17]) = 0; (a[3] => z[17]) = 0; (a[4] => z[17]) = 0; (a[5] => z[17]) = 0; (a[6] => z[17]) = 0; (a[7] => z[17]) = 0; (a[8] => z[17]) = 0; (a[9] => z[17]) = 0; (a[10] => z[17]) = 0; (a[11] => z[17]) = 0; (a[12] => z[17]) = 0; (a[13] => z[17]) = 0; (a[14] => z[17]) = 0; (a[15] => z[17]) = 0; (a[16] => z[17]) = 0; (a[17] => z[17]) = 0; (a[18] => z[17]) = 0; (a[19] => z[17]) = 0; (b[0] => z[17]) = 0; (b[1] => z[17]) = 0; (b[2] => z[17]) = 0; (b[3] => z[17]) = 0; (b[4] => z[17]) = 0; (b[5] => z[17]) = 0; (b[6] => z[17]) = 0; (b[7] => z[17]) = 0; (b[8] => z[17]) = 0; (b[9] => z[17]) = 0; (b[10] => z[17]) = 0; (b[11] => z[17]) = 0; (b[12] => z[17]) = 0; (b[13] => z[17]) = 0; (b[14] => z[17]) = 0; (b[15] => z[17]) = 0; (b[16] => z[17]) = 0; (b[17] => z[17]) = 0; (a[0] => z[18]) = 0; (a[1] => z[18]) = 0; (a[2] => z[18]) = 0; (a[3] => z[18]) = 0; (a[4] => z[18]) = 0; (a[5] => z[18]) = 0; (a[6] => z[18]) = 0; (a[7] => z[18]) = 0; (a[8] => z[18]) = 0; (a[9] => z[18]) = 0; (a[10] => z[18]) = 0; (a[11] => z[18]) = 0; (a[12] => z[18]) = 0; (a[13] => z[18]) = 0; (a[14] => z[18]) = 0; (a[15] => z[18]) = 0; (a[16] => z[18]) = 0; (a[17] => z[18]) = 0; (a[18] => z[18]) = 0; (a[19] => z[18]) = 0; (b[0] => z[18]) = 0; (b[1] => z[18]) = 0; (b[2] => z[18]) = 0; (b[3] => z[18]) = 0; (b[4] => z[18]) = 0; (b[5] => z[18]) = 0; (b[6] => z[18]) = 0; (b[7] => z[18]) = 0; (b[8] => z[18]) = 0; (b[9] => z[18]) = 0; (b[10] => z[18]) = 0; (b[11] => z[18]) = 0; (b[12] => z[18]) = 0; (b[13] => z[18]) = 0; (b[14] => z[18]) = 0; (b[15] => z[18]) = 0; (b[16] => z[18]) = 0; (b[17] => z[18]) = 0; (a[0] => z[19]) = 0; (a[1] => z[19]) = 0; (a[2] => z[19]) = 0; (a[3] => z[19]) = 0; (a[4] => z[19]) = 0; (a[5] => z[19]) = 0; (a[6] => z[19]) = 0; (a[7] => z[19]) = 0; (a[8] => z[19]) = 0; (a[9] => z[19]) = 0; (a[10] => z[19]) = 0; (a[11] => z[19]) = 0; (a[12] => z[19]) = 0; (a[13] => z[19]) = 0; (a[14] => z[19]) = 0; (a[15] => z[19]) = 0; (a[16] => z[19]) = 0; (a[17] => z[19]) = 0; (a[18] => z[19]) = 0; (a[19] => z[19]) = 0; (b[0] => z[19]) = 0; (b[1] => z[19]) = 0; (b[2] => z[19]) = 0; (b[3] => z[19]) = 0; (b[4] => z[19]) = 0; (b[5] => z[19]) = 0; (b[6] => z[19]) = 0; (b[7] => z[19]) = 0; (b[8] => z[19]) = 0; (b[9] => z[19]) = 0; (b[10] => z[19]) = 0; (b[11] => z[19]) = 0; (b[12] => z[19]) = 0; (b[13] => z[19]) = 0; (b[14] => z[19]) = 0; (b[15] => z[19]) = 0; (b[16] => z[19]) = 0; (b[17] => z[19]) = 0; (a[0] => z[20]) = 0; (a[1] => z[20]) = 0; (a[2] => z[20]) = 0; (a[3] => z[20]) = 0; (a[4] => z[20]) = 0; (a[5] => z[20]) = 0; (a[6] => z[20]) = 0; (a[7] => z[20]) = 0; (a[8] => z[20]) = 0; (a[9] => z[20]) = 0; (a[10] => z[20]) = 0; (a[11] => z[20]) = 0; (a[12] => z[20]) = 0; (a[13] => z[20]) = 0; (a[14] => z[20]) = 0; (a[15] => z[20]) = 0; (a[16] => z[20]) = 0; (a[17] => z[20]) = 0; (a[18] => z[20]) = 0; (a[19] => z[20]) = 0; (b[0] => z[20]) = 0; (b[1] => z[20]) = 0; (b[2] => z[20]) = 0; (b[3] => z[20]) = 0; (b[4] => z[20]) = 0; (b[5] => z[20]) = 0; (b[6] => z[20]) = 0; (b[7] => z[20]) = 0; (b[8] => z[20]) = 0; (b[9] => z[20]) = 0; (b[10] => z[20]) = 0; (b[11] => z[20]) = 0; (b[12] => z[20]) = 0; (b[13] => z[20]) = 0; (b[14] => z[20]) = 0; (b[15] => z[20]) = 0; (b[16] => z[20]) = 0; (b[17] => z[20]) = 0; (a[0] => z[21]) = 0; (a[1] => z[21]) = 0; (a[2] => z[21]) = 0; (a[3] => z[21]) = 0; (a[4] => z[21]) = 0; (a[5] => z[21]) = 0; (a[6] => z[21]) = 0; (a[7] => z[21]) = 0; (a[8] => z[21]) = 0; (a[9] => z[21]) = 0; (a[10] => z[21]) = 0; (a[11] => z[21]) = 0; (a[12] => z[21]) = 0; (a[13] => z[21]) = 0; (a[14] => z[21]) = 0; (a[15] => z[21]) = 0; (a[16] => z[21]) = 0; (a[17] => z[21]) = 0; (a[18] => z[21]) = 0; (a[19] => z[21]) = 0; (b[0] => z[21]) = 0; (b[1] => z[21]) = 0; (b[2] => z[21]) = 0; (b[3] => z[21]) = 0; (b[4] => z[21]) = 0; (b[5] => z[21]) = 0; (b[6] => z[21]) = 0; (b[7] => z[21]) = 0; (b[8] => z[21]) = 0; (b[9] => z[21]) = 0; (b[10] => z[21]) = 0; (b[11] => z[21]) = 0; (b[12] => z[21]) = 0; (b[13] => z[21]) = 0; (b[14] => z[21]) = 0; (b[15] => z[21]) = 0; (b[16] => z[21]) = 0; (b[17] => z[21]) = 0; (a[0] => z[22]) = 0; (a[1] => z[22]) = 0; (a[2] => z[22]) = 0; (a[3] => z[22]) = 0; (a[4] => z[22]) = 0; (a[5] => z[22]) = 0; (a[6] => z[22]) = 0; (a[7] => z[22]) = 0; (a[8] => z[22]) = 0; (a[9] => z[22]) = 0; (a[10] => z[22]) = 0; (a[11] => z[22]) = 0; (a[12] => z[22]) = 0; (a[13] => z[22]) = 0; (a[14] => z[22]) = 0; (a[15] => z[22]) = 0; (a[16] => z[22]) = 0; (a[17] => z[22]) = 0; (a[18] => z[22]) = 0; (a[19] => z[22]) = 0; (b[0] => z[22]) = 0; (b[1] => z[22]) = 0; (b[2] => z[22]) = 0; (b[3] => z[22]) = 0; (b[4] => z[22]) = 0; (b[5] => z[22]) = 0; (b[6] => z[22]) = 0; (b[7] => z[22]) = 0; (b[8] => z[22]) = 0; (b[9] => z[22]) = 0; (b[10] => z[22]) = 0; (b[11] => z[22]) = 0; (b[12] => z[22]) = 0; (b[13] => z[22]) = 0; (b[14] => z[22]) = 0; (b[15] => z[22]) = 0; (b[16] => z[22]) = 0; (b[17] => z[22]) = 0; (a[0] => z[23]) = 0; (a[1] => z[23]) = 0; (a[2] => z[23]) = 0; (a[3] => z[23]) = 0; (a[4] => z[23]) = 0; (a[5] => z[23]) = 0; (a[6] => z[23]) = 0; (a[7] => z[23]) = 0; (a[8] => z[23]) = 0; (a[9] => z[23]) = 0; (a[10] => z[23]) = 0; (a[11] => z[23]) = 0; (a[12] => z[23]) = 0; (a[13] => z[23]) = 0; (a[14] => z[23]) = 0; (a[15] => z[23]) = 0; (a[16] => z[23]) = 0; (a[17] => z[23]) = 0; (a[18] => z[23]) = 0; (a[19] => z[23]) = 0; (b[0] => z[23]) = 0; (b[1] => z[23]) = 0; (b[2] => z[23]) = 0; (b[3] => z[23]) = 0; (b[4] => z[23]) = 0; (b[5] => z[23]) = 0; (b[6] => z[23]) = 0; (b[7] => z[23]) = 0; (b[8] => z[23]) = 0; (b[9] => z[23]) = 0; (b[10] => z[23]) = 0; (b[11] => z[23]) = 0; (b[12] => z[23]) = 0; (b[13] => z[23]) = 0; (b[14] => z[23]) = 0; (b[15] => z[23]) = 0; (b[16] => z[23]) = 0; (b[17] => z[23]) = 0; (a[0] => z[24]) = 0; (a[1] => z[24]) = 0; (a[2] => z[24]) = 0; (a[3] => z[24]) = 0; (a[4] => z[24]) = 0; (a[5] => z[24]) = 0; (a[6] => z[24]) = 0; (a[7] => z[24]) = 0; (a[8] => z[24]) = 0; (a[9] => z[24]) = 0; (a[10] => z[24]) = 0; (a[11] => z[24]) = 0; (a[12] => z[24]) = 0; (a[13] => z[24]) = 0; (a[14] => z[24]) = 0; (a[15] => z[24]) = 0; (a[16] => z[24]) = 0; (a[17] => z[24]) = 0; (a[18] => z[24]) = 0; (a[19] => z[24]) = 0; (b[0] => z[24]) = 0; (b[1] => z[24]) = 0; (b[2] => z[24]) = 0; (b[3] => z[24]) = 0; (b[4] => z[24]) = 0; (b[5] => z[24]) = 0; (b[6] => z[24]) = 0; (b[7] => z[24]) = 0; (b[8] => z[24]) = 0; (b[9] => z[24]) = 0; (b[10] => z[24]) = 0; (b[11] => z[24]) = 0; (b[12] => z[24]) = 0; (b[13] => z[24]) = 0; (b[14] => z[24]) = 0; (b[15] => z[24]) = 0; (b[16] => z[24]) = 0; (b[17] => z[24]) = 0; (a[0] => z[25]) = 0; (a[1] => z[25]) = 0; (a[2] => z[25]) = 0; (a[3] => z[25]) = 0; (a[4] => z[25]) = 0; (a[5] => z[25]) = 0; (a[6] => z[25]) = 0; (a[7] => z[25]) = 0; (a[8] => z[25]) = 0; (a[9] => z[25]) = 0; (a[10] => z[25]) = 0; (a[11] => z[25]) = 0; (a[12] => z[25]) = 0; (a[13] => z[25]) = 0; (a[14] => z[25]) = 0; (a[15] => z[25]) = 0; (a[16] => z[25]) = 0; (a[17] => z[25]) = 0; (a[18] => z[25]) = 0; (a[19] => z[25]) = 0; (b[0] => z[25]) = 0; (b[1] => z[25]) = 0; (b[2] => z[25]) = 0; (b[3] => z[25]) = 0; (b[4] => z[25]) = 0; (b[5] => z[25]) = 0; (b[6] => z[25]) = 0; (b[7] => z[25]) = 0; (b[8] => z[25]) = 0; (b[9] => z[25]) = 0; (b[10] => z[25]) = 0; (b[11] => z[25]) = 0; (b[12] => z[25]) = 0; (b[13] => z[25]) = 0; (b[14] => z[25]) = 0; (b[15] => z[25]) = 0; (b[16] => z[25]) = 0; (b[17] => z[25]) = 0; (a[0] => z[26]) = 0; (a[1] => z[26]) = 0; (a[2] => z[26]) = 0; (a[3] => z[26]) = 0; (a[4] => z[26]) = 0; (a[5] => z[26]) = 0; (a[6] => z[26]) = 0; (a[7] => z[26]) = 0; (a[8] => z[26]) = 0; (a[9] => z[26]) = 0; (a[10] => z[26]) = 0; (a[11] => z[26]) = 0; (a[12] => z[26]) = 0; (a[13] => z[26]) = 0; (a[14] => z[26]) = 0; (a[15] => z[26]) = 0; (a[16] => z[26]) = 0; (a[17] => z[26]) = 0; (a[18] => z[26]) = 0; (a[19] => z[26]) = 0; (b[0] => z[26]) = 0; (b[1] => z[26]) = 0; (b[2] => z[26]) = 0; (b[3] => z[26]) = 0; (b[4] => z[26]) = 0; (b[5] => z[26]) = 0; (b[6] => z[26]) = 0; (b[7] => z[26]) = 0; (b[8] => z[26]) = 0; (b[9] => z[26]) = 0; (b[10] => z[26]) = 0; (b[11] => z[26]) = 0; (b[12] => z[26]) = 0; (b[13] => z[26]) = 0; (b[14] => z[26]) = 0; (b[15] => z[26]) = 0; (b[16] => z[26]) = 0; (b[17] => z[26]) = 0; (a[0] => z[27]) = 0; (a[1] => z[27]) = 0; (a[2] => z[27]) = 0; (a[3] => z[27]) = 0; (a[4] => z[27]) = 0; (a[5] => z[27]) = 0; (a[6] => z[27]) = 0; (a[7] => z[27]) = 0; (a[8] => z[27]) = 0; (a[9] => z[27]) = 0; (a[10] => z[27]) = 0; (a[11] => z[27]) = 0; (a[12] => z[27]) = 0; (a[13] => z[27]) = 0; (a[14] => z[27]) = 0; (a[15] => z[27]) = 0; (a[16] => z[27]) = 0; (a[17] => z[27]) = 0; (a[18] => z[27]) = 0; (a[19] => z[27]) = 0; (b[0] => z[27]) = 0; (b[1] => z[27]) = 0; (b[2] => z[27]) = 0; (b[3] => z[27]) = 0; (b[4] => z[27]) = 0; (b[5] => z[27]) = 0; (b[6] => z[27]) = 0; (b[7] => z[27]) = 0; (b[8] => z[27]) = 0; (b[9] => z[27]) = 0; (b[10] => z[27]) = 0; (b[11] => z[27]) = 0; (b[12] => z[27]) = 0; (b[13] => z[27]) = 0; (b[14] => z[27]) = 0; (b[15] => z[27]) = 0; (b[16] => z[27]) = 0; (b[17] => z[27]) = 0; (a[0] => z[28]) = 0; (a[1] => z[28]) = 0; (a[2] => z[28]) = 0; (a[3] => z[28]) = 0; (a[4] => z[28]) = 0; (a[5] => z[28]) = 0; (a[6] => z[28]) = 0; (a[7] => z[28]) = 0; (a[8] => z[28]) = 0; (a[9] => z[28]) = 0; (a[10] => z[28]) = 0; (a[11] => z[28]) = 0; (a[12] => z[28]) = 0; (a[13] => z[28]) = 0; (a[14] => z[28]) = 0; (a[15] => z[28]) = 0; (a[16] => z[28]) = 0; (a[17] => z[28]) = 0; (a[18] => z[28]) = 0; (a[19] => z[28]) = 0; (b[0] => z[28]) = 0; (b[1] => z[28]) = 0; (b[2] => z[28]) = 0; (b[3] => z[28]) = 0; (b[4] => z[28]) = 0; (b[5] => z[28]) = 0; (b[6] => z[28]) = 0; (b[7] => z[28]) = 0; (b[8] => z[28]) = 0; (b[9] => z[28]) = 0; (b[10] => z[28]) = 0; (b[11] => z[28]) = 0; (b[12] => z[28]) = 0; (b[13] => z[28]) = 0; (b[14] => z[28]) = 0; (b[15] => z[28]) = 0; (b[16] => z[28]) = 0; (b[17] => z[28]) = 0; (a[0] => z[29]) = 0; (a[1] => z[29]) = 0; (a[2] => z[29]) = 0; (a[3] => z[29]) = 0; (a[4] => z[29]) = 0; (a[5] => z[29]) = 0; (a[6] => z[29]) = 0; (a[7] => z[29]) = 0; (a[8] => z[29]) = 0; (a[9] => z[29]) = 0; (a[10] => z[29]) = 0; (a[11] => z[29]) = 0; (a[12] => z[29]) = 0; (a[13] => z[29]) = 0; (a[14] => z[29]) = 0; (a[15] => z[29]) = 0; (a[16] => z[29]) = 0; (a[17] => z[29]) = 0; (a[18] => z[29]) = 0; (a[19] => z[29]) = 0; (b[0] => z[29]) = 0; (b[1] => z[29]) = 0; (b[2] => z[29]) = 0; (b[3] => z[29]) = 0; (b[4] => z[29]) = 0; (b[5] => z[29]) = 0; (b[6] => z[29]) = 0; (b[7] => z[29]) = 0; (b[8] => z[29]) = 0; (b[9] => z[29]) = 0; (b[10] => z[29]) = 0; (b[11] => z[29]) = 0; (b[12] => z[29]) = 0; (b[13] => z[29]) = 0; (b[14] => z[29]) = 0; (b[15] => z[29]) = 0; (b[16] => z[29]) = 0; (b[17] => z[29]) = 0; (a[0] => z[30]) = 0; (a[1] => z[30]) = 0; (a[2] => z[30]) = 0; (a[3] => z[30]) = 0; (a[4] => z[30]) = 0; (a[5] => z[30]) = 0; (a[6] => z[30]) = 0; (a[7] => z[30]) = 0; (a[8] => z[30]) = 0; (a[9] => z[30]) = 0; (a[10] => z[30]) = 0; (a[11] => z[30]) = 0; (a[12] => z[30]) = 0; (a[13] => z[30]) = 0; (a[14] => z[30]) = 0; (a[15] => z[30]) = 0; (a[16] => z[30]) = 0; (a[17] => z[30]) = 0; (a[18] => z[30]) = 0; (a[19] => z[30]) = 0; (b[0] => z[30]) = 0; (b[1] => z[30]) = 0; (b[2] => z[30]) = 0; (b[3] => z[30]) = 0; (b[4] => z[30]) = 0; (b[5] => z[30]) = 0; (b[6] => z[30]) = 0; (b[7] => z[30]) = 0; (b[8] => z[30]) = 0; (b[9] => z[30]) = 0; (b[10] => z[30]) = 0; (b[11] => z[30]) = 0; (b[12] => z[30]) = 0; (b[13] => z[30]) = 0; (b[14] => z[30]) = 0; (b[15] => z[30]) = 0; (b[16] => z[30]) = 0; (b[17] => z[30]) = 0; (a[0] => z[31]) = 0; (a[1] => z[31]) = 0; (a[2] => z[31]) = 0; (a[3] => z[31]) = 0; (a[4] => z[31]) = 0; (a[5] => z[31]) = 0; (a[6] => z[31]) = 0; (a[7] => z[31]) = 0; (a[8] => z[31]) = 0; (a[9] => z[31]) = 0; (a[10] => z[31]) = 0; (a[11] => z[31]) = 0; (a[12] => z[31]) = 0; (a[13] => z[31]) = 0; (a[14] => z[31]) = 0; (a[15] => z[31]) = 0; (a[16] => z[31]) = 0; (a[17] => z[31]) = 0; (a[18] => z[31]) = 0; (a[19] => z[31]) = 0; (b[0] => z[31]) = 0; (b[1] => z[31]) = 0; (b[2] => z[31]) = 0; (b[3] => z[31]) = 0; (b[4] => z[31]) = 0; (b[5] => z[31]) = 0; (b[6] => z[31]) = 0; (b[7] => z[31]) = 0; (b[8] => z[31]) = 0; (b[9] => z[31]) = 0; (b[10] => z[31]) = 0; (b[11] => z[31]) = 0; (b[12] => z[31]) = 0; (b[13] => z[31]) = 0; (b[14] => z[31]) = 0; (b[15] => z[31]) = 0; (b[16] => z[31]) = 0; (b[17] => z[31]) = 0; (a[0] => z[32]) = 0; (a[1] => z[32]) = 0; (a[2] => z[32]) = 0; (a[3] => z[32]) = 0; (a[4] => z[32]) = 0; (a[5] => z[32]) = 0; (a[6] => z[32]) = 0; (a[7] => z[32]) = 0; (a[8] => z[32]) = 0; (a[9] => z[32]) = 0; (a[10] => z[32]) = 0; (a[11] => z[32]) = 0; (a[12] => z[32]) = 0; (a[13] => z[32]) = 0; (a[14] => z[32]) = 0; (a[15] => z[32]) = 0; (a[16] => z[32]) = 0; (a[17] => z[32]) = 0; (a[18] => z[32]) = 0; (a[19] => z[32]) = 0; (b[0] => z[32]) = 0; (b[1] => z[32]) = 0; (b[2] => z[32]) = 0; (b[3] => z[32]) = 0; (b[4] => z[32]) = 0; (b[5] => z[32]) = 0; (b[6] => z[32]) = 0; (b[7] => z[32]) = 0; (b[8] => z[32]) = 0; (b[9] => z[32]) = 0; (b[10] => z[32]) = 0; (b[11] => z[32]) = 0; (b[12] => z[32]) = 0; (b[13] => z[32]) = 0; (b[14] => z[32]) = 0; (b[15] => z[32]) = 0; (b[16] => z[32]) = 0; (b[17] => z[32]) = 0; (a[0] => z[33]) = 0; (a[1] => z[33]) = 0; (a[2] => z[33]) = 0; (a[3] => z[33]) = 0; (a[4] => z[33]) = 0; (a[5] => z[33]) = 0; (a[6] => z[33]) = 0; (a[7] => z[33]) = 0; (a[8] => z[33]) = 0; (a[9] => z[33]) = 0; (a[10] => z[33]) = 0; (a[11] => z[33]) = 0; (a[12] => z[33]) = 0; (a[13] => z[33]) = 0; (a[14] => z[33]) = 0; (a[15] => z[33]) = 0; (a[16] => z[33]) = 0; (a[17] => z[33]) = 0; (a[18] => z[33]) = 0; (a[19] => z[33]) = 0; (b[0] => z[33]) = 0; (b[1] => z[33]) = 0; (b[2] => z[33]) = 0; (b[3] => z[33]) = 0; (b[4] => z[33]) = 0; (b[5] => z[33]) = 0; (b[6] => z[33]) = 0; (b[7] => z[33]) = 0; (b[8] => z[33]) = 0; (b[9] => z[33]) = 0; (b[10] => z[33]) = 0; (b[11] => z[33]) = 0; (b[12] => z[33]) = 0; (b[13] => z[33]) = 0; (b[14] => z[33]) = 0; (b[15] => z[33]) = 0; (b[16] => z[33]) = 0; (b[17] => z[33]) = 0; (a[0] => z[34]) = 0; (a[1] => z[34]) = 0; (a[2] => z[34]) = 0; (a[3] => z[34]) = 0; (a[4] => z[34]) = 0; (a[5] => z[34]) = 0; (a[6] => z[34]) = 0; (a[7] => z[34]) = 0; (a[8] => z[34]) = 0; (a[9] => z[34]) = 0; (a[10] => z[34]) = 0; (a[11] => z[34]) = 0; (a[12] => z[34]) = 0; (a[13] => z[34]) = 0; (a[14] => z[34]) = 0; (a[15] => z[34]) = 0; (a[16] => z[34]) = 0; (a[17] => z[34]) = 0; (a[18] => z[34]) = 0; (a[19] => z[34]) = 0; (b[0] => z[34]) = 0; (b[1] => z[34]) = 0; (b[2] => z[34]) = 0; (b[3] => z[34]) = 0; (b[4] => z[34]) = 0; (b[5] => z[34]) = 0; (b[6] => z[34]) = 0; (b[7] => z[34]) = 0; (b[8] => z[34]) = 0; (b[9] => z[34]) = 0; (b[10] => z[34]) = 0; (b[11] => z[34]) = 0; (b[12] => z[34]) = 0; (b[13] => z[34]) = 0; (b[14] => z[34]) = 0; (b[15] => z[34]) = 0; (b[16] => z[34]) = 0; (b[17] => z[34]) = 0; (a[0] => z[35]) = 0; (a[1] => z[35]) = 0; (a[2] => z[35]) = 0; (a[3] => z[35]) = 0; (a[4] => z[35]) = 0; (a[5] => z[35]) = 0; (a[6] => z[35]) = 0; (a[7] => z[35]) = 0; (a[8] => z[35]) = 0; (a[9] => z[35]) = 0; (a[10] => z[35]) = 0; (a[11] => z[35]) = 0; (a[12] => z[35]) = 0; (a[13] => z[35]) = 0; (a[14] => z[35]) = 0; (a[15] => z[35]) = 0; (a[16] => z[35]) = 0; (a[17] => z[35]) = 0; (a[18] => z[35]) = 0; (a[19] => z[35]) = 0; (b[0] => z[35]) = 0; (b[1] => z[35]) = 0; (b[2] => z[35]) = 0; (b[3] => z[35]) = 0; (b[4] => z[35]) = 0; (b[5] => z[35]) = 0; (b[6] => z[35]) = 0; (b[7] => z[35]) = 0; (b[8] => z[35]) = 0; (b[9] => z[35]) = 0; (b[10] => z[35]) = 0; (b[11] => z[35]) = 0; (b[12] => z[35]) = 0; (b[13] => z[35]) = 0; (b[14] => z[35]) = 0; (b[15] => z[35]) = 0; (b[16] => z[35]) = 0; (b[17] => z[35]) = 0; (a[0] => z[36]) = 0; (a[1] => z[36]) = 0; (a[2] => z[36]) = 0; (a[3] => z[36]) = 0; (a[4] => z[36]) = 0; (a[5] => z[36]) = 0; (a[6] => z[36]) = 0; (a[7] => z[36]) = 0; (a[8] => z[36]) = 0; (a[9] => z[36]) = 0; (a[10] => z[36]) = 0; (a[11] => z[36]) = 0; (a[12] => z[36]) = 0; (a[13] => z[36]) = 0; (a[14] => z[36]) = 0; (a[15] => z[36]) = 0; (a[16] => z[36]) = 0; (a[17] => z[36]) = 0; (a[18] => z[36]) = 0; (a[19] => z[36]) = 0; (b[0] => z[36]) = 0; (b[1] => z[36]) = 0; (b[2] => z[36]) = 0; (b[3] => z[36]) = 0; (b[4] => z[36]) = 0; (b[5] => z[36]) = 0; (b[6] => z[36]) = 0; (b[7] => z[36]) = 0; (b[8] => z[36]) = 0; (b[9] => z[36]) = 0; (b[10] => z[36]) = 0; (b[11] => z[36]) = 0; (b[12] => z[36]) = 0; (b[13] => z[36]) = 0; (b[14] => z[36]) = 0; (b[15] => z[36]) = 0; (b[16] => z[36]) = 0; (b[17] => z[36]) = 0; (a[0] => z[37]) = 0; (a[1] => z[37]) = 0; (a[2] => z[37]) = 0; (a[3] => z[37]) = 0; (a[4] => z[37]) = 0; (a[5] => z[37]) = 0; (a[6] => z[37]) = 0; (a[7] => z[37]) = 0; (a[8] => z[37]) = 0; (a[9] => z[37]) = 0; (a[10] => z[37]) = 0; (a[11] => z[37]) = 0; (a[12] => z[37]) = 0; (a[13] => z[37]) = 0; (a[14] => z[37]) = 0; (a[15] => z[37]) = 0; (a[16] => z[37]) = 0; (a[17] => z[37]) = 0; (a[18] => z[37]) = 0; (a[19] => z[37]) = 0; (b[0] => z[37]) = 0; (b[1] => z[37]) = 0; (b[2] => z[37]) = 0; (b[3] => z[37]) = 0; (b[4] => z[37]) = 0; (b[5] => z[37]) = 0; (b[6] => z[37]) = 0; (b[7] => z[37]) = 0; (b[8] => z[37]) = 0; (b[9] => z[37]) = 0; (b[10] => z[37]) = 0; (b[11] => z[37]) = 0; (b[12] => z[37]) = 0; (b[13] => z[37]) = 0; (b[14] => z[37]) = 0; (b[15] => z[37]) = 0; (b[16] => z[37]) = 0; (b[17] => z[37]) = 0; endspecify `endif endmodule module QL_DSP2_MULT_REGIN ( // TODO: Name subject to change input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [2:0] feedback, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [2:0] output_select, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(1'b0), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // unregistered output: a * b (0) .saturate_enable(1'b0), .shift_right(6'b0), .round(1'b0), .subtract(1'b0), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); endspecify `endif endmodule module QL_DSP2_MULT_REGOUT ( // TODO: Name subject to change input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [2:0] feedback, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [2:0] output_select, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(1'b0), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: a * b (4) .saturate_enable(1'b0), .shift_right(6'b0), .round(1'b0), .subtract(1'b0), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); endspecify `endif endmodule module QL_DSP2_MULT_REGIN_REGOUT ( // TODO: Name subject to change input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [2:0] feedback, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [2:0] output_select, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(1'b0), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: a * b (4) .saturate_enable(1'b0), .shift_right(6'b0), .round(1'b0), .subtract(1'b0), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTADD ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, input wire reset, input wire [ 2:0] feedback, input wire [ 5:0] acc_fir, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .dly_b(), .z(z), .f_mode(f_mode), .feedback(feedback), .acc_fir(acc_fir), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), //.clk(1'b0), .reset(reset), .output_select(output_select), // unregistered output: ACCin (2, 3) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (a[0] => z[0]) = 0; (a[1] => z[0]) = 0; (a[2] => z[0]) = 0; (a[3] => z[0]) = 0; (a[4] => z[0]) = 0; (a[5] => z[0]) = 0; (a[6] => z[0]) = 0; (a[7] => z[0]) = 0; (a[8] => z[0]) = 0; (a[9] => z[0]) = 0; (a[10] => z[0]) = 0; (a[11] => z[0]) = 0; (a[12] => z[0]) = 0; (a[13] => z[0]) = 0; (a[14] => z[0]) = 0; (a[15] => z[0]) = 0; (a[16] => z[0]) = 0; (a[17] => z[0]) = 0; (a[18] => z[0]) = 0; (a[19] => z[0]) = 0; (b[0] => z[0]) = 0; (b[1] => z[0]) = 0; (b[2] => z[0]) = 0; (b[3] => z[0]) = 0; (b[4] => z[0]) = 0; (b[5] => z[0]) = 0; (b[6] => z[0]) = 0; (b[7] => z[0]) = 0; (b[8] => z[0]) = 0; (b[9] => z[0]) = 0; (b[10] => z[0]) = 0; (b[11] => z[0]) = 0; (b[12] => z[0]) = 0; (b[13] => z[0]) = 0; (b[14] => z[0]) = 0; (b[15] => z[0]) = 0; (b[16] => z[0]) = 0; (b[17] => z[0]) = 0; (a[0] => z[1]) = 0; (a[1] => z[1]) = 0; (a[2] => z[1]) = 0; (a[3] => z[1]) = 0; (a[4] => z[1]) = 0; (a[5] => z[1]) = 0; (a[6] => z[1]) = 0; (a[7] => z[1]) = 0; (a[8] => z[1]) = 0; (a[9] => z[1]) = 0; (a[10] => z[1]) = 0; (a[11] => z[1]) = 0; (a[12] => z[1]) = 0; (a[13] => z[1]) = 0; (a[14] => z[1]) = 0; (a[15] => z[1]) = 0; (a[16] => z[1]) = 0; (a[17] => z[1]) = 0; (a[18] => z[1]) = 0; (a[19] => z[1]) = 0; (b[0] => z[1]) = 0; (b[1] => z[1]) = 0; (b[2] => z[1]) = 0; (b[3] => z[1]) = 0; (b[4] => z[1]) = 0; (b[5] => z[1]) = 0; (b[6] => z[1]) = 0; (b[7] => z[1]) = 0; (b[8] => z[1]) = 0; (b[9] => z[1]) = 0; (b[10] => z[1]) = 0; (b[11] => z[1]) = 0; (b[12] => z[1]) = 0; (b[13] => z[1]) = 0; (b[14] => z[1]) = 0; (b[15] => z[1]) = 0; (b[16] => z[1]) = 0; (b[17] => z[1]) = 0; (a[0] => z[2]) = 0; (a[1] => z[2]) = 0; (a[2] => z[2]) = 0; (a[3] => z[2]) = 0; (a[4] => z[2]) = 0; (a[5] => z[2]) = 0; (a[6] => z[2]) = 0; (a[7] => z[2]) = 0; (a[8] => z[2]) = 0; (a[9] => z[2]) = 0; (a[10] => z[2]) = 0; (a[11] => z[2]) = 0; (a[12] => z[2]) = 0; (a[13] => z[2]) = 0; (a[14] => z[2]) = 0; (a[15] => z[2]) = 0; (a[16] => z[2]) = 0; (a[17] => z[2]) = 0; (a[18] => z[2]) = 0; (a[19] => z[2]) = 0; (b[0] => z[2]) = 0; (b[1] => z[2]) = 0; (b[2] => z[2]) = 0; (b[3] => z[2]) = 0; (b[4] => z[2]) = 0; (b[5] => z[2]) = 0; (b[6] => z[2]) = 0; (b[7] => z[2]) = 0; (b[8] => z[2]) = 0; (b[9] => z[2]) = 0; (b[10] => z[2]) = 0; (b[11] => z[2]) = 0; (b[12] => z[2]) = 0; (b[13] => z[2]) = 0; (b[14] => z[2]) = 0; (b[15] => z[2]) = 0; (b[16] => z[2]) = 0; (b[17] => z[2]) = 0; (a[0] => z[3]) = 0; (a[1] => z[3]) = 0; (a[2] => z[3]) = 0; (a[3] => z[3]) = 0; (a[4] => z[3]) = 0; (a[5] => z[3]) = 0; (a[6] => z[3]) = 0; (a[7] => z[3]) = 0; (a[8] => z[3]) = 0; (a[9] => z[3]) = 0; (a[10] => z[3]) = 0; (a[11] => z[3]) = 0; (a[12] => z[3]) = 0; (a[13] => z[3]) = 0; (a[14] => z[3]) = 0; (a[15] => z[3]) = 0; (a[16] => z[3]) = 0; (a[17] => z[3]) = 0; (a[18] => z[3]) = 0; (a[19] => z[3]) = 0; (b[0] => z[3]) = 0; (b[1] => z[3]) = 0; (b[2] => z[3]) = 0; (b[3] => z[3]) = 0; (b[4] => z[3]) = 0; (b[5] => z[3]) = 0; (b[6] => z[3]) = 0; (b[7] => z[3]) = 0; (b[8] => z[3]) = 0; (b[9] => z[3]) = 0; (b[10] => z[3]) = 0; (b[11] => z[3]) = 0; (b[12] => z[3]) = 0; (b[13] => z[3]) = 0; (b[14] => z[3]) = 0; (b[15] => z[3]) = 0; (b[16] => z[3]) = 0; (b[17] => z[3]) = 0; (a[0] => z[4]) = 0; (a[1] => z[4]) = 0; (a[2] => z[4]) = 0; (a[3] => z[4]) = 0; (a[4] => z[4]) = 0; (a[5] => z[4]) = 0; (a[6] => z[4]) = 0; (a[7] => z[4]) = 0; (a[8] => z[4]) = 0; (a[9] => z[4]) = 0; (a[10] => z[4]) = 0; (a[11] => z[4]) = 0; (a[12] => z[4]) = 0; (a[13] => z[4]) = 0; (a[14] => z[4]) = 0; (a[15] => z[4]) = 0; (a[16] => z[4]) = 0; (a[17] => z[4]) = 0; (a[18] => z[4]) = 0; (a[19] => z[4]) = 0; (b[0] => z[4]) = 0; (b[1] => z[4]) = 0; (b[2] => z[4]) = 0; (b[3] => z[4]) = 0; (b[4] => z[4]) = 0; (b[5] => z[4]) = 0; (b[6] => z[4]) = 0; (b[7] => z[4]) = 0; (b[8] => z[4]) = 0; (b[9] => z[4]) = 0; (b[10] => z[4]) = 0; (b[11] => z[4]) = 0; (b[12] => z[4]) = 0; (b[13] => z[4]) = 0; (b[14] => z[4]) = 0; (b[15] => z[4]) = 0; (b[16] => z[4]) = 0; (b[17] => z[4]) = 0; (a[0] => z[5]) = 0; (a[1] => z[5]) = 0; (a[2] => z[5]) = 0; (a[3] => z[5]) = 0; (a[4] => z[5]) = 0; (a[5] => z[5]) = 0; (a[6] => z[5]) = 0; (a[7] => z[5]) = 0; (a[8] => z[5]) = 0; (a[9] => z[5]) = 0; (a[10] => z[5]) = 0; (a[11] => z[5]) = 0; (a[12] => z[5]) = 0; (a[13] => z[5]) = 0; (a[14] => z[5]) = 0; (a[15] => z[5]) = 0; (a[16] => z[5]) = 0; (a[17] => z[5]) = 0; (a[18] => z[5]) = 0; (a[19] => z[5]) = 0; (b[0] => z[5]) = 0; (b[1] => z[5]) = 0; (b[2] => z[5]) = 0; (b[3] => z[5]) = 0; (b[4] => z[5]) = 0; (b[5] => z[5]) = 0; (b[6] => z[5]) = 0; (b[7] => z[5]) = 0; (b[8] => z[5]) = 0; (b[9] => z[5]) = 0; (b[10] => z[5]) = 0; (b[11] => z[5]) = 0; (b[12] => z[5]) = 0; (b[13] => z[5]) = 0; (b[14] => z[5]) = 0; (b[15] => z[5]) = 0; (b[16] => z[5]) = 0; (b[17] => z[5]) = 0; (a[0] => z[6]) = 0; (a[1] => z[6]) = 0; (a[2] => z[6]) = 0; (a[3] => z[6]) = 0; (a[4] => z[6]) = 0; (a[5] => z[6]) = 0; (a[6] => z[6]) = 0; (a[7] => z[6]) = 0; (a[8] => z[6]) = 0; (a[9] => z[6]) = 0; (a[10] => z[6]) = 0; (a[11] => z[6]) = 0; (a[12] => z[6]) = 0; (a[13] => z[6]) = 0; (a[14] => z[6]) = 0; (a[15] => z[6]) = 0; (a[16] => z[6]) = 0; (a[17] => z[6]) = 0; (a[18] => z[6]) = 0; (a[19] => z[6]) = 0; (b[0] => z[6]) = 0; (b[1] => z[6]) = 0; (b[2] => z[6]) = 0; (b[3] => z[6]) = 0; (b[4] => z[6]) = 0; (b[5] => z[6]) = 0; (b[6] => z[6]) = 0; (b[7] => z[6]) = 0; (b[8] => z[6]) = 0; (b[9] => z[6]) = 0; (b[10] => z[6]) = 0; (b[11] => z[6]) = 0; (b[12] => z[6]) = 0; (b[13] => z[6]) = 0; (b[14] => z[6]) = 0; (b[15] => z[6]) = 0; (b[16] => z[6]) = 0; (b[17] => z[6]) = 0; (a[0] => z[7]) = 0; (a[1] => z[7]) = 0; (a[2] => z[7]) = 0; (a[3] => z[7]) = 0; (a[4] => z[7]) = 0; (a[5] => z[7]) = 0; (a[6] => z[7]) = 0; (a[7] => z[7]) = 0; (a[8] => z[7]) = 0; (a[9] => z[7]) = 0; (a[10] => z[7]) = 0; (a[11] => z[7]) = 0; (a[12] => z[7]) = 0; (a[13] => z[7]) = 0; (a[14] => z[7]) = 0; (a[15] => z[7]) = 0; (a[16] => z[7]) = 0; (a[17] => z[7]) = 0; (a[18] => z[7]) = 0; (a[19] => z[7]) = 0; (b[0] => z[7]) = 0; (b[1] => z[7]) = 0; (b[2] => z[7]) = 0; (b[3] => z[7]) = 0; (b[4] => z[7]) = 0; (b[5] => z[7]) = 0; (b[6] => z[7]) = 0; (b[7] => z[7]) = 0; (b[8] => z[7]) = 0; (b[9] => z[7]) = 0; (b[10] => z[7]) = 0; (b[11] => z[7]) = 0; (b[12] => z[7]) = 0; (b[13] => z[7]) = 0; (b[14] => z[7]) = 0; (b[15] => z[7]) = 0; (b[16] => z[7]) = 0; (b[17] => z[7]) = 0; (a[0] => z[8]) = 0; (a[1] => z[8]) = 0; (a[2] => z[8]) = 0; (a[3] => z[8]) = 0; (a[4] => z[8]) = 0; (a[5] => z[8]) = 0; (a[6] => z[8]) = 0; (a[7] => z[8]) = 0; (a[8] => z[8]) = 0; (a[9] => z[8]) = 0; (a[10] => z[8]) = 0; (a[11] => z[8]) = 0; (a[12] => z[8]) = 0; (a[13] => z[8]) = 0; (a[14] => z[8]) = 0; (a[15] => z[8]) = 0; (a[16] => z[8]) = 0; (a[17] => z[8]) = 0; (a[18] => z[8]) = 0; (a[19] => z[8]) = 0; (b[0] => z[8]) = 0; (b[1] => z[8]) = 0; (b[2] => z[8]) = 0; (b[3] => z[8]) = 0; (b[4] => z[8]) = 0; (b[5] => z[8]) = 0; (b[6] => z[8]) = 0; (b[7] => z[8]) = 0; (b[8] => z[8]) = 0; (b[9] => z[8]) = 0; (b[10] => z[8]) = 0; (b[11] => z[8]) = 0; (b[12] => z[8]) = 0; (b[13] => z[8]) = 0; (b[14] => z[8]) = 0; (b[15] => z[8]) = 0; (b[16] => z[8]) = 0; (b[17] => z[8]) = 0; (a[0] => z[9]) = 0; (a[1] => z[9]) = 0; (a[2] => z[9]) = 0; (a[3] => z[9]) = 0; (a[4] => z[9]) = 0; (a[5] => z[9]) = 0; (a[6] => z[9]) = 0; (a[7] => z[9]) = 0; (a[8] => z[9]) = 0; (a[9] => z[9]) = 0; (a[10] => z[9]) = 0; (a[11] => z[9]) = 0; (a[12] => z[9]) = 0; (a[13] => z[9]) = 0; (a[14] => z[9]) = 0; (a[15] => z[9]) = 0; (a[16] => z[9]) = 0; (a[17] => z[9]) = 0; (a[18] => z[9]) = 0; (a[19] => z[9]) = 0; (b[0] => z[9]) = 0; (b[1] => z[9]) = 0; (b[2] => z[9]) = 0; (b[3] => z[9]) = 0; (b[4] => z[9]) = 0; (b[5] => z[9]) = 0; (b[6] => z[9]) = 0; (b[7] => z[9]) = 0; (b[8] => z[9]) = 0; (b[9] => z[9]) = 0; (b[10] => z[9]) = 0; (b[11] => z[9]) = 0; (b[12] => z[9]) = 0; (b[13] => z[9]) = 0; (b[14] => z[9]) = 0; (b[15] => z[9]) = 0; (b[16] => z[9]) = 0; (b[17] => z[9]) = 0; (a[0] => z[10]) = 0; (a[1] => z[10]) = 0; (a[2] => z[10]) = 0; (a[3] => z[10]) = 0; (a[4] => z[10]) = 0; (a[5] => z[10]) = 0; (a[6] => z[10]) = 0; (a[7] => z[10]) = 0; (a[8] => z[10]) = 0; (a[9] => z[10]) = 0; (a[10] => z[10]) = 0; (a[11] => z[10]) = 0; (a[12] => z[10]) = 0; (a[13] => z[10]) = 0; (a[14] => z[10]) = 0; (a[15] => z[10]) = 0; (a[16] => z[10]) = 0; (a[17] => z[10]) = 0; (a[18] => z[10]) = 0; (a[19] => z[10]) = 0; (b[0] => z[10]) = 0; (b[1] => z[10]) = 0; (b[2] => z[10]) = 0; (b[3] => z[10]) = 0; (b[4] => z[10]) = 0; (b[5] => z[10]) = 0; (b[6] => z[10]) = 0; (b[7] => z[10]) = 0; (b[8] => z[10]) = 0; (b[9] => z[10]) = 0; (b[10] => z[10]) = 0; (b[11] => z[10]) = 0; (b[12] => z[10]) = 0; (b[13] => z[10]) = 0; (b[14] => z[10]) = 0; (b[15] => z[10]) = 0; (b[16] => z[10]) = 0; (b[17] => z[10]) = 0; (a[0] => z[11]) = 0; (a[1] => z[11]) = 0; (a[2] => z[11]) = 0; (a[3] => z[11]) = 0; (a[4] => z[11]) = 0; (a[5] => z[11]) = 0; (a[6] => z[11]) = 0; (a[7] => z[11]) = 0; (a[8] => z[11]) = 0; (a[9] => z[11]) = 0; (a[10] => z[11]) = 0; (a[11] => z[11]) = 0; (a[12] => z[11]) = 0; (a[13] => z[11]) = 0; (a[14] => z[11]) = 0; (a[15] => z[11]) = 0; (a[16] => z[11]) = 0; (a[17] => z[11]) = 0; (a[18] => z[11]) = 0; (a[19] => z[11]) = 0; (b[0] => z[11]) = 0; (b[1] => z[11]) = 0; (b[2] => z[11]) = 0; (b[3] => z[11]) = 0; (b[4] => z[11]) = 0; (b[5] => z[11]) = 0; (b[6] => z[11]) = 0; (b[7] => z[11]) = 0; (b[8] => z[11]) = 0; (b[9] => z[11]) = 0; (b[10] => z[11]) = 0; (b[11] => z[11]) = 0; (b[12] => z[11]) = 0; (b[13] => z[11]) = 0; (b[14] => z[11]) = 0; (b[15] => z[11]) = 0; (b[16] => z[11]) = 0; (b[17] => z[11]) = 0; (a[0] => z[12]) = 0; (a[1] => z[12]) = 0; (a[2] => z[12]) = 0; (a[3] => z[12]) = 0; (a[4] => z[12]) = 0; (a[5] => z[12]) = 0; (a[6] => z[12]) = 0; (a[7] => z[12]) = 0; (a[8] => z[12]) = 0; (a[9] => z[12]) = 0; (a[10] => z[12]) = 0; (a[11] => z[12]) = 0; (a[12] => z[12]) = 0; (a[13] => z[12]) = 0; (a[14] => z[12]) = 0; (a[15] => z[12]) = 0; (a[16] => z[12]) = 0; (a[17] => z[12]) = 0; (a[18] => z[12]) = 0; (a[19] => z[12]) = 0; (b[0] => z[12]) = 0; (b[1] => z[12]) = 0; (b[2] => z[12]) = 0; (b[3] => z[12]) = 0; (b[4] => z[12]) = 0; (b[5] => z[12]) = 0; (b[6] => z[12]) = 0; (b[7] => z[12]) = 0; (b[8] => z[12]) = 0; (b[9] => z[12]) = 0; (b[10] => z[12]) = 0; (b[11] => z[12]) = 0; (b[12] => z[12]) = 0; (b[13] => z[12]) = 0; (b[14] => z[12]) = 0; (b[15] => z[12]) = 0; (b[16] => z[12]) = 0; (b[17] => z[12]) = 0; (a[0] => z[13]) = 0; (a[1] => z[13]) = 0; (a[2] => z[13]) = 0; (a[3] => z[13]) = 0; (a[4] => z[13]) = 0; (a[5] => z[13]) = 0; (a[6] => z[13]) = 0; (a[7] => z[13]) = 0; (a[8] => z[13]) = 0; (a[9] => z[13]) = 0; (a[10] => z[13]) = 0; (a[11] => z[13]) = 0; (a[12] => z[13]) = 0; (a[13] => z[13]) = 0; (a[14] => z[13]) = 0; (a[15] => z[13]) = 0; (a[16] => z[13]) = 0; (a[17] => z[13]) = 0; (a[18] => z[13]) = 0; (a[19] => z[13]) = 0; (b[0] => z[13]) = 0; (b[1] => z[13]) = 0; (b[2] => z[13]) = 0; (b[3] => z[13]) = 0; (b[4] => z[13]) = 0; (b[5] => z[13]) = 0; (b[6] => z[13]) = 0; (b[7] => z[13]) = 0; (b[8] => z[13]) = 0; (b[9] => z[13]) = 0; (b[10] => z[13]) = 0; (b[11] => z[13]) = 0; (b[12] => z[13]) = 0; (b[13] => z[13]) = 0; (b[14] => z[13]) = 0; (b[15] => z[13]) = 0; (b[16] => z[13]) = 0; (b[17] => z[13]) = 0; (a[0] => z[14]) = 0; (a[1] => z[14]) = 0; (a[2] => z[14]) = 0; (a[3] => z[14]) = 0; (a[4] => z[14]) = 0; (a[5] => z[14]) = 0; (a[6] => z[14]) = 0; (a[7] => z[14]) = 0; (a[8] => z[14]) = 0; (a[9] => z[14]) = 0; (a[10] => z[14]) = 0; (a[11] => z[14]) = 0; (a[12] => z[14]) = 0; (a[13] => z[14]) = 0; (a[14] => z[14]) = 0; (a[15] => z[14]) = 0; (a[16] => z[14]) = 0; (a[17] => z[14]) = 0; (a[18] => z[14]) = 0; (a[19] => z[14]) = 0; (b[0] => z[14]) = 0; (b[1] => z[14]) = 0; (b[2] => z[14]) = 0; (b[3] => z[14]) = 0; (b[4] => z[14]) = 0; (b[5] => z[14]) = 0; (b[6] => z[14]) = 0; (b[7] => z[14]) = 0; (b[8] => z[14]) = 0; (b[9] => z[14]) = 0; (b[10] => z[14]) = 0; (b[11] => z[14]) = 0; (b[12] => z[14]) = 0; (b[13] => z[14]) = 0; (b[14] => z[14]) = 0; (b[15] => z[14]) = 0; (b[16] => z[14]) = 0; (b[17] => z[14]) = 0; (a[0] => z[15]) = 0; (a[1] => z[15]) = 0; (a[2] => z[15]) = 0; (a[3] => z[15]) = 0; (a[4] => z[15]) = 0; (a[5] => z[15]) = 0; (a[6] => z[15]) = 0; (a[7] => z[15]) = 0; (a[8] => z[15]) = 0; (a[9] => z[15]) = 0; (a[10] => z[15]) = 0; (a[11] => z[15]) = 0; (a[12] => z[15]) = 0; (a[13] => z[15]) = 0; (a[14] => z[15]) = 0; (a[15] => z[15]) = 0; (a[16] => z[15]) = 0; (a[17] => z[15]) = 0; (a[18] => z[15]) = 0; (a[19] => z[15]) = 0; (b[0] => z[15]) = 0; (b[1] => z[15]) = 0; (b[2] => z[15]) = 0; (b[3] => z[15]) = 0; (b[4] => z[15]) = 0; (b[5] => z[15]) = 0; (b[6] => z[15]) = 0; (b[7] => z[15]) = 0; (b[8] => z[15]) = 0; (b[9] => z[15]) = 0; (b[10] => z[15]) = 0; (b[11] => z[15]) = 0; (b[12] => z[15]) = 0; (b[13] => z[15]) = 0; (b[14] => z[15]) = 0; (b[15] => z[15]) = 0; (b[16] => z[15]) = 0; (b[17] => z[15]) = 0; (a[0] => z[16]) = 0; (a[1] => z[16]) = 0; (a[2] => z[16]) = 0; (a[3] => z[16]) = 0; (a[4] => z[16]) = 0; (a[5] => z[16]) = 0; (a[6] => z[16]) = 0; (a[7] => z[16]) = 0; (a[8] => z[16]) = 0; (a[9] => z[16]) = 0; (a[10] => z[16]) = 0; (a[11] => z[16]) = 0; (a[12] => z[16]) = 0; (a[13] => z[16]) = 0; (a[14] => z[16]) = 0; (a[15] => z[16]) = 0; (a[16] => z[16]) = 0; (a[17] => z[16]) = 0; (a[18] => z[16]) = 0; (a[19] => z[16]) = 0; (b[0] => z[16]) = 0; (b[1] => z[16]) = 0; (b[2] => z[16]) = 0; (b[3] => z[16]) = 0; (b[4] => z[16]) = 0; (b[5] => z[16]) = 0; (b[6] => z[16]) = 0; (b[7] => z[16]) = 0; (b[8] => z[16]) = 0; (b[9] => z[16]) = 0; (b[10] => z[16]) = 0; (b[11] => z[16]) = 0; (b[12] => z[16]) = 0; (b[13] => z[16]) = 0; (b[14] => z[16]) = 0; (b[15] => z[16]) = 0; (b[16] => z[16]) = 0; (b[17] => z[16]) = 0; (a[0] => z[17]) = 0; (a[1] => z[17]) = 0; (a[2] => z[17]) = 0; (a[3] => z[17]) = 0; (a[4] => z[17]) = 0; (a[5] => z[17]) = 0; (a[6] => z[17]) = 0; (a[7] => z[17]) = 0; (a[8] => z[17]) = 0; (a[9] => z[17]) = 0; (a[10] => z[17]) = 0; (a[11] => z[17]) = 0; (a[12] => z[17]) = 0; (a[13] => z[17]) = 0; (a[14] => z[17]) = 0; (a[15] => z[17]) = 0; (a[16] => z[17]) = 0; (a[17] => z[17]) = 0; (a[18] => z[17]) = 0; (a[19] => z[17]) = 0; (b[0] => z[17]) = 0; (b[1] => z[17]) = 0; (b[2] => z[17]) = 0; (b[3] => z[17]) = 0; (b[4] => z[17]) = 0; (b[5] => z[17]) = 0; (b[6] => z[17]) = 0; (b[7] => z[17]) = 0; (b[8] => z[17]) = 0; (b[9] => z[17]) = 0; (b[10] => z[17]) = 0; (b[11] => z[17]) = 0; (b[12] => z[17]) = 0; (b[13] => z[17]) = 0; (b[14] => z[17]) = 0; (b[15] => z[17]) = 0; (b[16] => z[17]) = 0; (b[17] => z[17]) = 0; (a[0] => z[18]) = 0; (a[1] => z[18]) = 0; (a[2] => z[18]) = 0; (a[3] => z[18]) = 0; (a[4] => z[18]) = 0; (a[5] => z[18]) = 0; (a[6] => z[18]) = 0; (a[7] => z[18]) = 0; (a[8] => z[18]) = 0; (a[9] => z[18]) = 0; (a[10] => z[18]) = 0; (a[11] => z[18]) = 0; (a[12] => z[18]) = 0; (a[13] => z[18]) = 0; (a[14] => z[18]) = 0; (a[15] => z[18]) = 0; (a[16] => z[18]) = 0; (a[17] => z[18]) = 0; (a[18] => z[18]) = 0; (a[19] => z[18]) = 0; (b[0] => z[18]) = 0; (b[1] => z[18]) = 0; (b[2] => z[18]) = 0; (b[3] => z[18]) = 0; (b[4] => z[18]) = 0; (b[5] => z[18]) = 0; (b[6] => z[18]) = 0; (b[7] => z[18]) = 0; (b[8] => z[18]) = 0; (b[9] => z[18]) = 0; (b[10] => z[18]) = 0; (b[11] => z[18]) = 0; (b[12] => z[18]) = 0; (b[13] => z[18]) = 0; (b[14] => z[18]) = 0; (b[15] => z[18]) = 0; (b[16] => z[18]) = 0; (b[17] => z[18]) = 0; (a[0] => z[19]) = 0; (a[1] => z[19]) = 0; (a[2] => z[19]) = 0; (a[3] => z[19]) = 0; (a[4] => z[19]) = 0; (a[5] => z[19]) = 0; (a[6] => z[19]) = 0; (a[7] => z[19]) = 0; (a[8] => z[19]) = 0; (a[9] => z[19]) = 0; (a[10] => z[19]) = 0; (a[11] => z[19]) = 0; (a[12] => z[19]) = 0; (a[13] => z[19]) = 0; (a[14] => z[19]) = 0; (a[15] => z[19]) = 0; (a[16] => z[19]) = 0; (a[17] => z[19]) = 0; (a[18] => z[19]) = 0; (a[19] => z[19]) = 0; (b[0] => z[19]) = 0; (b[1] => z[19]) = 0; (b[2] => z[19]) = 0; (b[3] => z[19]) = 0; (b[4] => z[19]) = 0; (b[5] => z[19]) = 0; (b[6] => z[19]) = 0; (b[7] => z[19]) = 0; (b[8] => z[19]) = 0; (b[9] => z[19]) = 0; (b[10] => z[19]) = 0; (b[11] => z[19]) = 0; (b[12] => z[19]) = 0; (b[13] => z[19]) = 0; (b[14] => z[19]) = 0; (b[15] => z[19]) = 0; (b[16] => z[19]) = 0; (b[17] => z[19]) = 0; (a[0] => z[20]) = 0; (a[1] => z[20]) = 0; (a[2] => z[20]) = 0; (a[3] => z[20]) = 0; (a[4] => z[20]) = 0; (a[5] => z[20]) = 0; (a[6] => z[20]) = 0; (a[7] => z[20]) = 0; (a[8] => z[20]) = 0; (a[9] => z[20]) = 0; (a[10] => z[20]) = 0; (a[11] => z[20]) = 0; (a[12] => z[20]) = 0; (a[13] => z[20]) = 0; (a[14] => z[20]) = 0; (a[15] => z[20]) = 0; (a[16] => z[20]) = 0; (a[17] => z[20]) = 0; (a[18] => z[20]) = 0; (a[19] => z[20]) = 0; (b[0] => z[20]) = 0; (b[1] => z[20]) = 0; (b[2] => z[20]) = 0; (b[3] => z[20]) = 0; (b[4] => z[20]) = 0; (b[5] => z[20]) = 0; (b[6] => z[20]) = 0; (b[7] => z[20]) = 0; (b[8] => z[20]) = 0; (b[9] => z[20]) = 0; (b[10] => z[20]) = 0; (b[11] => z[20]) = 0; (b[12] => z[20]) = 0; (b[13] => z[20]) = 0; (b[14] => z[20]) = 0; (b[15] => z[20]) = 0; (b[16] => z[20]) = 0; (b[17] => z[20]) = 0; (a[0] => z[21]) = 0; (a[1] => z[21]) = 0; (a[2] => z[21]) = 0; (a[3] => z[21]) = 0; (a[4] => z[21]) = 0; (a[5] => z[21]) = 0; (a[6] => z[21]) = 0; (a[7] => z[21]) = 0; (a[8] => z[21]) = 0; (a[9] => z[21]) = 0; (a[10] => z[21]) = 0; (a[11] => z[21]) = 0; (a[12] => z[21]) = 0; (a[13] => z[21]) = 0; (a[14] => z[21]) = 0; (a[15] => z[21]) = 0; (a[16] => z[21]) = 0; (a[17] => z[21]) = 0; (a[18] => z[21]) = 0; (a[19] => z[21]) = 0; (b[0] => z[21]) = 0; (b[1] => z[21]) = 0; (b[2] => z[21]) = 0; (b[3] => z[21]) = 0; (b[4] => z[21]) = 0; (b[5] => z[21]) = 0; (b[6] => z[21]) = 0; (b[7] => z[21]) = 0; (b[8] => z[21]) = 0; (b[9] => z[21]) = 0; (b[10] => z[21]) = 0; (b[11] => z[21]) = 0; (b[12] => z[21]) = 0; (b[13] => z[21]) = 0; (b[14] => z[21]) = 0; (b[15] => z[21]) = 0; (b[16] => z[21]) = 0; (b[17] => z[21]) = 0; (a[0] => z[22]) = 0; (a[1] => z[22]) = 0; (a[2] => z[22]) = 0; (a[3] => z[22]) = 0; (a[4] => z[22]) = 0; (a[5] => z[22]) = 0; (a[6] => z[22]) = 0; (a[7] => z[22]) = 0; (a[8] => z[22]) = 0; (a[9] => z[22]) = 0; (a[10] => z[22]) = 0; (a[11] => z[22]) = 0; (a[12] => z[22]) = 0; (a[13] => z[22]) = 0; (a[14] => z[22]) = 0; (a[15] => z[22]) = 0; (a[16] => z[22]) = 0; (a[17] => z[22]) = 0; (a[18] => z[22]) = 0; (a[19] => z[22]) = 0; (b[0] => z[22]) = 0; (b[1] => z[22]) = 0; (b[2] => z[22]) = 0; (b[3] => z[22]) = 0; (b[4] => z[22]) = 0; (b[5] => z[22]) = 0; (b[6] => z[22]) = 0; (b[7] => z[22]) = 0; (b[8] => z[22]) = 0; (b[9] => z[22]) = 0; (b[10] => z[22]) = 0; (b[11] => z[22]) = 0; (b[12] => z[22]) = 0; (b[13] => z[22]) = 0; (b[14] => z[22]) = 0; (b[15] => z[22]) = 0; (b[16] => z[22]) = 0; (b[17] => z[22]) = 0; (a[0] => z[23]) = 0; (a[1] => z[23]) = 0; (a[2] => z[23]) = 0; (a[3] => z[23]) = 0; (a[4] => z[23]) = 0; (a[5] => z[23]) = 0; (a[6] => z[23]) = 0; (a[7] => z[23]) = 0; (a[8] => z[23]) = 0; (a[9] => z[23]) = 0; (a[10] => z[23]) = 0; (a[11] => z[23]) = 0; (a[12] => z[23]) = 0; (a[13] => z[23]) = 0; (a[14] => z[23]) = 0; (a[15] => z[23]) = 0; (a[16] => z[23]) = 0; (a[17] => z[23]) = 0; (a[18] => z[23]) = 0; (a[19] => z[23]) = 0; (b[0] => z[23]) = 0; (b[1] => z[23]) = 0; (b[2] => z[23]) = 0; (b[3] => z[23]) = 0; (b[4] => z[23]) = 0; (b[5] => z[23]) = 0; (b[6] => z[23]) = 0; (b[7] => z[23]) = 0; (b[8] => z[23]) = 0; (b[9] => z[23]) = 0; (b[10] => z[23]) = 0; (b[11] => z[23]) = 0; (b[12] => z[23]) = 0; (b[13] => z[23]) = 0; (b[14] => z[23]) = 0; (b[15] => z[23]) = 0; (b[16] => z[23]) = 0; (b[17] => z[23]) = 0; (a[0] => z[24]) = 0; (a[1] => z[24]) = 0; (a[2] => z[24]) = 0; (a[3] => z[24]) = 0; (a[4] => z[24]) = 0; (a[5] => z[24]) = 0; (a[6] => z[24]) = 0; (a[7] => z[24]) = 0; (a[8] => z[24]) = 0; (a[9] => z[24]) = 0; (a[10] => z[24]) = 0; (a[11] => z[24]) = 0; (a[12] => z[24]) = 0; (a[13] => z[24]) = 0; (a[14] => z[24]) = 0; (a[15] => z[24]) = 0; (a[16] => z[24]) = 0; (a[17] => z[24]) = 0; (a[18] => z[24]) = 0; (a[19] => z[24]) = 0; (b[0] => z[24]) = 0; (b[1] => z[24]) = 0; (b[2] => z[24]) = 0; (b[3] => z[24]) = 0; (b[4] => z[24]) = 0; (b[5] => z[24]) = 0; (b[6] => z[24]) = 0; (b[7] => z[24]) = 0; (b[8] => z[24]) = 0; (b[9] => z[24]) = 0; (b[10] => z[24]) = 0; (b[11] => z[24]) = 0; (b[12] => z[24]) = 0; (b[13] => z[24]) = 0; (b[14] => z[24]) = 0; (b[15] => z[24]) = 0; (b[16] => z[24]) = 0; (b[17] => z[24]) = 0; (a[0] => z[25]) = 0; (a[1] => z[25]) = 0; (a[2] => z[25]) = 0; (a[3] => z[25]) = 0; (a[4] => z[25]) = 0; (a[5] => z[25]) = 0; (a[6] => z[25]) = 0; (a[7] => z[25]) = 0; (a[8] => z[25]) = 0; (a[9] => z[25]) = 0; (a[10] => z[25]) = 0; (a[11] => z[25]) = 0; (a[12] => z[25]) = 0; (a[13] => z[25]) = 0; (a[14] => z[25]) = 0; (a[15] => z[25]) = 0; (a[16] => z[25]) = 0; (a[17] => z[25]) = 0; (a[18] => z[25]) = 0; (a[19] => z[25]) = 0; (b[0] => z[25]) = 0; (b[1] => z[25]) = 0; (b[2] => z[25]) = 0; (b[3] => z[25]) = 0; (b[4] => z[25]) = 0; (b[5] => z[25]) = 0; (b[6] => z[25]) = 0; (b[7] => z[25]) = 0; (b[8] => z[25]) = 0; (b[9] => z[25]) = 0; (b[10] => z[25]) = 0; (b[11] => z[25]) = 0; (b[12] => z[25]) = 0; (b[13] => z[25]) = 0; (b[14] => z[25]) = 0; (b[15] => z[25]) = 0; (b[16] => z[25]) = 0; (b[17] => z[25]) = 0; (a[0] => z[26]) = 0; (a[1] => z[26]) = 0; (a[2] => z[26]) = 0; (a[3] => z[26]) = 0; (a[4] => z[26]) = 0; (a[5] => z[26]) = 0; (a[6] => z[26]) = 0; (a[7] => z[26]) = 0; (a[8] => z[26]) = 0; (a[9] => z[26]) = 0; (a[10] => z[26]) = 0; (a[11] => z[26]) = 0; (a[12] => z[26]) = 0; (a[13] => z[26]) = 0; (a[14] => z[26]) = 0; (a[15] => z[26]) = 0; (a[16] => z[26]) = 0; (a[17] => z[26]) = 0; (a[18] => z[26]) = 0; (a[19] => z[26]) = 0; (b[0] => z[26]) = 0; (b[1] => z[26]) = 0; (b[2] => z[26]) = 0; (b[3] => z[26]) = 0; (b[4] => z[26]) = 0; (b[5] => z[26]) = 0; (b[6] => z[26]) = 0; (b[7] => z[26]) = 0; (b[8] => z[26]) = 0; (b[9] => z[26]) = 0; (b[10] => z[26]) = 0; (b[11] => z[26]) = 0; (b[12] => z[26]) = 0; (b[13] => z[26]) = 0; (b[14] => z[26]) = 0; (b[15] => z[26]) = 0; (b[16] => z[26]) = 0; (b[17] => z[26]) = 0; (a[0] => z[27]) = 0; (a[1] => z[27]) = 0; (a[2] => z[27]) = 0; (a[3] => z[27]) = 0; (a[4] => z[27]) = 0; (a[5] => z[27]) = 0; (a[6] => z[27]) = 0; (a[7] => z[27]) = 0; (a[8] => z[27]) = 0; (a[9] => z[27]) = 0; (a[10] => z[27]) = 0; (a[11] => z[27]) = 0; (a[12] => z[27]) = 0; (a[13] => z[27]) = 0; (a[14] => z[27]) = 0; (a[15] => z[27]) = 0; (a[16] => z[27]) = 0; (a[17] => z[27]) = 0; (a[18] => z[27]) = 0; (a[19] => z[27]) = 0; (b[0] => z[27]) = 0; (b[1] => z[27]) = 0; (b[2] => z[27]) = 0; (b[3] => z[27]) = 0; (b[4] => z[27]) = 0; (b[5] => z[27]) = 0; (b[6] => z[27]) = 0; (b[7] => z[27]) = 0; (b[8] => z[27]) = 0; (b[9] => z[27]) = 0; (b[10] => z[27]) = 0; (b[11] => z[27]) = 0; (b[12] => z[27]) = 0; (b[13] => z[27]) = 0; (b[14] => z[27]) = 0; (b[15] => z[27]) = 0; (b[16] => z[27]) = 0; (b[17] => z[27]) = 0; (a[0] => z[28]) = 0; (a[1] => z[28]) = 0; (a[2] => z[28]) = 0; (a[3] => z[28]) = 0; (a[4] => z[28]) = 0; (a[5] => z[28]) = 0; (a[6] => z[28]) = 0; (a[7] => z[28]) = 0; (a[8] => z[28]) = 0; (a[9] => z[28]) = 0; (a[10] => z[28]) = 0; (a[11] => z[28]) = 0; (a[12] => z[28]) = 0; (a[13] => z[28]) = 0; (a[14] => z[28]) = 0; (a[15] => z[28]) = 0; (a[16] => z[28]) = 0; (a[17] => z[28]) = 0; (a[18] => z[28]) = 0; (a[19] => z[28]) = 0; (b[0] => z[28]) = 0; (b[1] => z[28]) = 0; (b[2] => z[28]) = 0; (b[3] => z[28]) = 0; (b[4] => z[28]) = 0; (b[5] => z[28]) = 0; (b[6] => z[28]) = 0; (b[7] => z[28]) = 0; (b[8] => z[28]) = 0; (b[9] => z[28]) = 0; (b[10] => z[28]) = 0; (b[11] => z[28]) = 0; (b[12] => z[28]) = 0; (b[13] => z[28]) = 0; (b[14] => z[28]) = 0; (b[15] => z[28]) = 0; (b[16] => z[28]) = 0; (b[17] => z[28]) = 0; (a[0] => z[29]) = 0; (a[1] => z[29]) = 0; (a[2] => z[29]) = 0; (a[3] => z[29]) = 0; (a[4] => z[29]) = 0; (a[5] => z[29]) = 0; (a[6] => z[29]) = 0; (a[7] => z[29]) = 0; (a[8] => z[29]) = 0; (a[9] => z[29]) = 0; (a[10] => z[29]) = 0; (a[11] => z[29]) = 0; (a[12] => z[29]) = 0; (a[13] => z[29]) = 0; (a[14] => z[29]) = 0; (a[15] => z[29]) = 0; (a[16] => z[29]) = 0; (a[17] => z[29]) = 0; (a[18] => z[29]) = 0; (a[19] => z[29]) = 0; (b[0] => z[29]) = 0; (b[1] => z[29]) = 0; (b[2] => z[29]) = 0; (b[3] => z[29]) = 0; (b[4] => z[29]) = 0; (b[5] => z[29]) = 0; (b[6] => z[29]) = 0; (b[7] => z[29]) = 0; (b[8] => z[29]) = 0; (b[9] => z[29]) = 0; (b[10] => z[29]) = 0; (b[11] => z[29]) = 0; (b[12] => z[29]) = 0; (b[13] => z[29]) = 0; (b[14] => z[29]) = 0; (b[15] => z[29]) = 0; (b[16] => z[29]) = 0; (b[17] => z[29]) = 0; (a[0] => z[30]) = 0; (a[1] => z[30]) = 0; (a[2] => z[30]) = 0; (a[3] => z[30]) = 0; (a[4] => z[30]) = 0; (a[5] => z[30]) = 0; (a[6] => z[30]) = 0; (a[7] => z[30]) = 0; (a[8] => z[30]) = 0; (a[9] => z[30]) = 0; (a[10] => z[30]) = 0; (a[11] => z[30]) = 0; (a[12] => z[30]) = 0; (a[13] => z[30]) = 0; (a[14] => z[30]) = 0; (a[15] => z[30]) = 0; (a[16] => z[30]) = 0; (a[17] => z[30]) = 0; (a[18] => z[30]) = 0; (a[19] => z[30]) = 0; (b[0] => z[30]) = 0; (b[1] => z[30]) = 0; (b[2] => z[30]) = 0; (b[3] => z[30]) = 0; (b[4] => z[30]) = 0; (b[5] => z[30]) = 0; (b[6] => z[30]) = 0; (b[7] => z[30]) = 0; (b[8] => z[30]) = 0; (b[9] => z[30]) = 0; (b[10] => z[30]) = 0; (b[11] => z[30]) = 0; (b[12] => z[30]) = 0; (b[13] => z[30]) = 0; (b[14] => z[30]) = 0; (b[15] => z[30]) = 0; (b[16] => z[30]) = 0; (b[17] => z[30]) = 0; (a[0] => z[31]) = 0; (a[1] => z[31]) = 0; (a[2] => z[31]) = 0; (a[3] => z[31]) = 0; (a[4] => z[31]) = 0; (a[5] => z[31]) = 0; (a[6] => z[31]) = 0; (a[7] => z[31]) = 0; (a[8] => z[31]) = 0; (a[9] => z[31]) = 0; (a[10] => z[31]) = 0; (a[11] => z[31]) = 0; (a[12] => z[31]) = 0; (a[13] => z[31]) = 0; (a[14] => z[31]) = 0; (a[15] => z[31]) = 0; (a[16] => z[31]) = 0; (a[17] => z[31]) = 0; (a[18] => z[31]) = 0; (a[19] => z[31]) = 0; (b[0] => z[31]) = 0; (b[1] => z[31]) = 0; (b[2] => z[31]) = 0; (b[3] => z[31]) = 0; (b[4] => z[31]) = 0; (b[5] => z[31]) = 0; (b[6] => z[31]) = 0; (b[7] => z[31]) = 0; (b[8] => z[31]) = 0; (b[9] => z[31]) = 0; (b[10] => z[31]) = 0; (b[11] => z[31]) = 0; (b[12] => z[31]) = 0; (b[13] => z[31]) = 0; (b[14] => z[31]) = 0; (b[15] => z[31]) = 0; (b[16] => z[31]) = 0; (b[17] => z[31]) = 0; (a[0] => z[32]) = 0; (a[1] => z[32]) = 0; (a[2] => z[32]) = 0; (a[3] => z[32]) = 0; (a[4] => z[32]) = 0; (a[5] => z[32]) = 0; (a[6] => z[32]) = 0; (a[7] => z[32]) = 0; (a[8] => z[32]) = 0; (a[9] => z[32]) = 0; (a[10] => z[32]) = 0; (a[11] => z[32]) = 0; (a[12] => z[32]) = 0; (a[13] => z[32]) = 0; (a[14] => z[32]) = 0; (a[15] => z[32]) = 0; (a[16] => z[32]) = 0; (a[17] => z[32]) = 0; (a[18] => z[32]) = 0; (a[19] => z[32]) = 0; (b[0] => z[32]) = 0; (b[1] => z[32]) = 0; (b[2] => z[32]) = 0; (b[3] => z[32]) = 0; (b[4] => z[32]) = 0; (b[5] => z[32]) = 0; (b[6] => z[32]) = 0; (b[7] => z[32]) = 0; (b[8] => z[32]) = 0; (b[9] => z[32]) = 0; (b[10] => z[32]) = 0; (b[11] => z[32]) = 0; (b[12] => z[32]) = 0; (b[13] => z[32]) = 0; (b[14] => z[32]) = 0; (b[15] => z[32]) = 0; (b[16] => z[32]) = 0; (b[17] => z[32]) = 0; (a[0] => z[33]) = 0; (a[1] => z[33]) = 0; (a[2] => z[33]) = 0; (a[3] => z[33]) = 0; (a[4] => z[33]) = 0; (a[5] => z[33]) = 0; (a[6] => z[33]) = 0; (a[7] => z[33]) = 0; (a[8] => z[33]) = 0; (a[9] => z[33]) = 0; (a[10] => z[33]) = 0; (a[11] => z[33]) = 0; (a[12] => z[33]) = 0; (a[13] => z[33]) = 0; (a[14] => z[33]) = 0; (a[15] => z[33]) = 0; (a[16] => z[33]) = 0; (a[17] => z[33]) = 0; (a[18] => z[33]) = 0; (a[19] => z[33]) = 0; (b[0] => z[33]) = 0; (b[1] => z[33]) = 0; (b[2] => z[33]) = 0; (b[3] => z[33]) = 0; (b[4] => z[33]) = 0; (b[5] => z[33]) = 0; (b[6] => z[33]) = 0; (b[7] => z[33]) = 0; (b[8] => z[33]) = 0; (b[9] => z[33]) = 0; (b[10] => z[33]) = 0; (b[11] => z[33]) = 0; (b[12] => z[33]) = 0; (b[13] => z[33]) = 0; (b[14] => z[33]) = 0; (b[15] => z[33]) = 0; (b[16] => z[33]) = 0; (b[17] => z[33]) = 0; (a[0] => z[34]) = 0; (a[1] => z[34]) = 0; (a[2] => z[34]) = 0; (a[3] => z[34]) = 0; (a[4] => z[34]) = 0; (a[5] => z[34]) = 0; (a[6] => z[34]) = 0; (a[7] => z[34]) = 0; (a[8] => z[34]) = 0; (a[9] => z[34]) = 0; (a[10] => z[34]) = 0; (a[11] => z[34]) = 0; (a[12] => z[34]) = 0; (a[13] => z[34]) = 0; (a[14] => z[34]) = 0; (a[15] => z[34]) = 0; (a[16] => z[34]) = 0; (a[17] => z[34]) = 0; (a[18] => z[34]) = 0; (a[19] => z[34]) = 0; (b[0] => z[34]) = 0; (b[1] => z[34]) = 0; (b[2] => z[34]) = 0; (b[3] => z[34]) = 0; (b[4] => z[34]) = 0; (b[5] => z[34]) = 0; (b[6] => z[34]) = 0; (b[7] => z[34]) = 0; (b[8] => z[34]) = 0; (b[9] => z[34]) = 0; (b[10] => z[34]) = 0; (b[11] => z[34]) = 0; (b[12] => z[34]) = 0; (b[13] => z[34]) = 0; (b[14] => z[34]) = 0; (b[15] => z[34]) = 0; (b[16] => z[34]) = 0; (b[17] => z[34]) = 0; (a[0] => z[35]) = 0; (a[1] => z[35]) = 0; (a[2] => z[35]) = 0; (a[3] => z[35]) = 0; (a[4] => z[35]) = 0; (a[5] => z[35]) = 0; (a[6] => z[35]) = 0; (a[7] => z[35]) = 0; (a[8] => z[35]) = 0; (a[9] => z[35]) = 0; (a[10] => z[35]) = 0; (a[11] => z[35]) = 0; (a[12] => z[35]) = 0; (a[13] => z[35]) = 0; (a[14] => z[35]) = 0; (a[15] => z[35]) = 0; (a[16] => z[35]) = 0; (a[17] => z[35]) = 0; (a[18] => z[35]) = 0; (a[19] => z[35]) = 0; (b[0] => z[35]) = 0; (b[1] => z[35]) = 0; (b[2] => z[35]) = 0; (b[3] => z[35]) = 0; (b[4] => z[35]) = 0; (b[5] => z[35]) = 0; (b[6] => z[35]) = 0; (b[7] => z[35]) = 0; (b[8] => z[35]) = 0; (b[9] => z[35]) = 0; (b[10] => z[35]) = 0; (b[11] => z[35]) = 0; (b[12] => z[35]) = 0; (b[13] => z[35]) = 0; (b[14] => z[35]) = 0; (b[15] => z[35]) = 0; (b[16] => z[35]) = 0; (b[17] => z[35]) = 0; (a[0] => z[36]) = 0; (a[1] => z[36]) = 0; (a[2] => z[36]) = 0; (a[3] => z[36]) = 0; (a[4] => z[36]) = 0; (a[5] => z[36]) = 0; (a[6] => z[36]) = 0; (a[7] => z[36]) = 0; (a[8] => z[36]) = 0; (a[9] => z[36]) = 0; (a[10] => z[36]) = 0; (a[11] => z[36]) = 0; (a[12] => z[36]) = 0; (a[13] => z[36]) = 0; (a[14] => z[36]) = 0; (a[15] => z[36]) = 0; (a[16] => z[36]) = 0; (a[17] => z[36]) = 0; (a[18] => z[36]) = 0; (a[19] => z[36]) = 0; (b[0] => z[36]) = 0; (b[1] => z[36]) = 0; (b[2] => z[36]) = 0; (b[3] => z[36]) = 0; (b[4] => z[36]) = 0; (b[5] => z[36]) = 0; (b[6] => z[36]) = 0; (b[7] => z[36]) = 0; (b[8] => z[36]) = 0; (b[9] => z[36]) = 0; (b[10] => z[36]) = 0; (b[11] => z[36]) = 0; (b[12] => z[36]) = 0; (b[13] => z[36]) = 0; (b[14] => z[36]) = 0; (b[15] => z[36]) = 0; (b[16] => z[36]) = 0; (b[17] => z[36]) = 0; (a[0] => z[37]) = 0; (a[1] => z[37]) = 0; (a[2] => z[37]) = 0; (a[3] => z[37]) = 0; (a[4] => z[37]) = 0; (a[5] => z[37]) = 0; (a[6] => z[37]) = 0; (a[7] => z[37]) = 0; (a[8] => z[37]) = 0; (a[9] => z[37]) = 0; (a[10] => z[37]) = 0; (a[11] => z[37]) = 0; (a[12] => z[37]) = 0; (a[13] => z[37]) = 0; (a[14] => z[37]) = 0; (a[15] => z[37]) = 0; (a[16] => z[37]) = 0; (a[17] => z[37]) = 0; (a[18] => z[37]) = 0; (a[19] => z[37]) = 0; (b[0] => z[37]) = 0; (b[1] => z[37]) = 0; (b[2] => z[37]) = 0; (b[3] => z[37]) = 0; (b[4] => z[37]) = 0; (b[5] => z[37]) = 0; (b[6] => z[37]) = 0; (b[7] => z[37]) = 0; (b[8] => z[37]) = 0; (b[9] => z[37]) = 0; (b[10] => z[37]) = 0; (b[11] => z[37]) = 0; (b[12] => z[37]) = 0; (b[13] => z[37]) = 0; (b[14] => z[37]) = 0; (b[15] => z[37]) = 0; (b[16] => z[37]) = 0; (b[17] => z[37]) = 0; (subtract => z[0]) = 0; (subtract => z[1]) = 0; (subtract => z[2]) = 0; (subtract => z[3]) = 0; (subtract => z[4]) = 0; (subtract => z[5]) = 0; (subtract => z[6]) = 0; (subtract => z[7]) = 0; (subtract => z[8]) = 0; (subtract => z[9]) = 0; (subtract => z[10]) = 0; (subtract => z[11]) = 0; (subtract => z[12]) = 0; (subtract => z[13]) = 0; (subtract => z[14]) = 0; (subtract => z[15]) = 0; (subtract => z[16]) = 0; (subtract => z[17]) = 0; (subtract => z[18]) = 0; (subtract => z[19]) = 0; (subtract => z[20]) = 0; (subtract => z[21]) = 0; (subtract => z[22]) = 0; (subtract => z[23]) = 0; (subtract => z[24]) = 0; (subtract => z[25]) = 0; (subtract => z[26]) = 0; (subtract => z[27]) = 0; (subtract => z[28]) = 0; (subtract => z[29]) = 0; (subtract => z[30]) = 0; (subtract => z[31]) = 0; (subtract => z[32]) = 0; (subtract => z[33]) = 0; (subtract => z[34]) = 0; (subtract => z[35]) = 0; (subtract => z[36]) = 0; (subtract => z[37]) = 0; (acc_fir[0] => z[0]) = 0; (acc_fir[1] => z[0]) = 0; (acc_fir[2] => z[0]) = 0; (acc_fir[3] => z[0]) = 0; (acc_fir[4] => z[0]) = 0; (acc_fir[5] => z[0]) = 0; (acc_fir[0] => z[1]) = 0; (acc_fir[1] => z[1]) = 0; (acc_fir[2] => z[1]) = 0; (acc_fir[3] => z[1]) = 0; (acc_fir[4] => z[1]) = 0; (acc_fir[5] => z[1]) = 0; (acc_fir[0] => z[2]) = 0; (acc_fir[1] => z[2]) = 0; (acc_fir[2] => z[2]) = 0; (acc_fir[3] => z[2]) = 0; (acc_fir[4] => z[2]) = 0; (acc_fir[5] => z[2]) = 0; (acc_fir[0] => z[3]) = 0; (acc_fir[1] => z[3]) = 0; (acc_fir[2] => z[3]) = 0; (acc_fir[3] => z[3]) = 0; (acc_fir[4] => z[3]) = 0; (acc_fir[5] => z[3]) = 0; (acc_fir[0] => z[4]) = 0; (acc_fir[1] => z[4]) = 0; (acc_fir[2] => z[4]) = 0; (acc_fir[3] => z[4]) = 0; (acc_fir[4] => z[4]) = 0; (acc_fir[5] => z[4]) = 0; (acc_fir[0] => z[5]) = 0; (acc_fir[1] => z[5]) = 0; (acc_fir[2] => z[5]) = 0; (acc_fir[3] => z[5]) = 0; (acc_fir[4] => z[5]) = 0; (acc_fir[5] => z[5]) = 0; (acc_fir[0] => z[6]) = 0; (acc_fir[1] => z[6]) = 0; (acc_fir[2] => z[6]) = 0; (acc_fir[3] => z[6]) = 0; (acc_fir[4] => z[6]) = 0; (acc_fir[5] => z[6]) = 0; (acc_fir[0] => z[7]) = 0; (acc_fir[1] => z[7]) = 0; (acc_fir[2] => z[7]) = 0; (acc_fir[3] => z[7]) = 0; (acc_fir[4] => z[7]) = 0; (acc_fir[5] => z[7]) = 0; (acc_fir[0] => z[8]) = 0; (acc_fir[1] => z[8]) = 0; (acc_fir[2] => z[8]) = 0; (acc_fir[3] => z[8]) = 0; (acc_fir[4] => z[8]) = 0; (acc_fir[5] => z[8]) = 0; (acc_fir[0] => z[9]) = 0; (acc_fir[1] => z[9]) = 0; (acc_fir[2] => z[9]) = 0; (acc_fir[3] => z[9]) = 0; (acc_fir[4] => z[9]) = 0; (acc_fir[5] => z[9]) = 0; (acc_fir[0] => z[10]) = 0; (acc_fir[1] => z[10]) = 0; (acc_fir[2] => z[10]) = 0; (acc_fir[3] => z[10]) = 0; (acc_fir[4] => z[10]) = 0; (acc_fir[5] => z[10]) = 0; (acc_fir[0] => z[11]) = 0; (acc_fir[1] => z[11]) = 0; (acc_fir[2] => z[11]) = 0; (acc_fir[3] => z[11]) = 0; (acc_fir[4] => z[11]) = 0; (acc_fir[5] => z[11]) = 0; (acc_fir[0] => z[12]) = 0; (acc_fir[1] => z[12]) = 0; (acc_fir[2] => z[12]) = 0; (acc_fir[3] => z[12]) = 0; (acc_fir[4] => z[12]) = 0; (acc_fir[5] => z[12]) = 0; (acc_fir[0] => z[13]) = 0; (acc_fir[1] => z[13]) = 0; (acc_fir[2] => z[13]) = 0; (acc_fir[3] => z[13]) = 0; (acc_fir[4] => z[13]) = 0; (acc_fir[5] => z[13]) = 0; (acc_fir[0] => z[14]) = 0; (acc_fir[1] => z[14]) = 0; (acc_fir[2] => z[14]) = 0; (acc_fir[3] => z[14]) = 0; (acc_fir[4] => z[14]) = 0; (acc_fir[5] => z[14]) = 0; (acc_fir[0] => z[15]) = 0; (acc_fir[1] => z[15]) = 0; (acc_fir[2] => z[15]) = 0; (acc_fir[3] => z[15]) = 0; (acc_fir[4] => z[15]) = 0; (acc_fir[5] => z[15]) = 0; (acc_fir[0] => z[16]) = 0; (acc_fir[1] => z[16]) = 0; (acc_fir[2] => z[16]) = 0; (acc_fir[3] => z[16]) = 0; (acc_fir[4] => z[16]) = 0; (acc_fir[5] => z[16]) = 0; (acc_fir[0] => z[17]) = 0; (acc_fir[1] => z[17]) = 0; (acc_fir[2] => z[17]) = 0; (acc_fir[3] => z[17]) = 0; (acc_fir[4] => z[17]) = 0; (acc_fir[5] => z[17]) = 0; (acc_fir[0] => z[18]) = 0; (acc_fir[1] => z[18]) = 0; (acc_fir[2] => z[18]) = 0; (acc_fir[3] => z[18]) = 0; (acc_fir[4] => z[18]) = 0; (acc_fir[5] => z[18]) = 0; (acc_fir[0] => z[19]) = 0; (acc_fir[1] => z[19]) = 0; (acc_fir[2] => z[19]) = 0; (acc_fir[3] => z[19]) = 0; (acc_fir[4] => z[19]) = 0; (acc_fir[5] => z[19]) = 0; (acc_fir[0] => z[20]) = 0; (acc_fir[1] => z[20]) = 0; (acc_fir[2] => z[20]) = 0; (acc_fir[3] => z[20]) = 0; (acc_fir[4] => z[20]) = 0; (acc_fir[5] => z[20]) = 0; (acc_fir[0] => z[21]) = 0; (acc_fir[1] => z[21]) = 0; (acc_fir[2] => z[21]) = 0; (acc_fir[3] => z[21]) = 0; (acc_fir[4] => z[21]) = 0; (acc_fir[5] => z[21]) = 0; (acc_fir[0] => z[22]) = 0; (acc_fir[1] => z[22]) = 0; (acc_fir[2] => z[22]) = 0; (acc_fir[3] => z[22]) = 0; (acc_fir[4] => z[22]) = 0; (acc_fir[5] => z[22]) = 0; (acc_fir[0] => z[23]) = 0; (acc_fir[1] => z[23]) = 0; (acc_fir[2] => z[23]) = 0; (acc_fir[3] => z[23]) = 0; (acc_fir[4] => z[23]) = 0; (acc_fir[5] => z[23]) = 0; (acc_fir[0] => z[24]) = 0; (acc_fir[1] => z[24]) = 0; (acc_fir[2] => z[24]) = 0; (acc_fir[3] => z[24]) = 0; (acc_fir[4] => z[24]) = 0; (acc_fir[5] => z[24]) = 0; (acc_fir[0] => z[25]) = 0; (acc_fir[1] => z[25]) = 0; (acc_fir[2] => z[25]) = 0; (acc_fir[3] => z[25]) = 0; (acc_fir[4] => z[25]) = 0; (acc_fir[5] => z[25]) = 0; (acc_fir[0] => z[26]) = 0; (acc_fir[1] => z[26]) = 0; (acc_fir[2] => z[26]) = 0; (acc_fir[3] => z[26]) = 0; (acc_fir[4] => z[26]) = 0; (acc_fir[5] => z[26]) = 0; (acc_fir[0] => z[27]) = 0; (acc_fir[1] => z[27]) = 0; (acc_fir[2] => z[27]) = 0; (acc_fir[3] => z[27]) = 0; (acc_fir[4] => z[27]) = 0; (acc_fir[5] => z[27]) = 0; (acc_fir[0] => z[28]) = 0; (acc_fir[1] => z[28]) = 0; (acc_fir[2] => z[28]) = 0; (acc_fir[3] => z[28]) = 0; (acc_fir[4] => z[28]) = 0; (acc_fir[5] => z[28]) = 0; (acc_fir[0] => z[29]) = 0; (acc_fir[1] => z[29]) = 0; (acc_fir[2] => z[29]) = 0; (acc_fir[3] => z[29]) = 0; (acc_fir[4] => z[29]) = 0; (acc_fir[5] => z[29]) = 0; (acc_fir[0] => z[30]) = 0; (acc_fir[1] => z[30]) = 0; (acc_fir[2] => z[30]) = 0; (acc_fir[3] => z[30]) = 0; (acc_fir[4] => z[30]) = 0; (acc_fir[5] => z[30]) = 0; (acc_fir[0] => z[31]) = 0; (acc_fir[1] => z[31]) = 0; (acc_fir[2] => z[31]) = 0; (acc_fir[3] => z[31]) = 0; (acc_fir[4] => z[31]) = 0; (acc_fir[5] => z[31]) = 0; (acc_fir[0] => z[32]) = 0; (acc_fir[1] => z[32]) = 0; (acc_fir[2] => z[32]) = 0; (acc_fir[3] => z[32]) = 0; (acc_fir[4] => z[32]) = 0; (acc_fir[5] => z[32]) = 0; (acc_fir[0] => z[33]) = 0; (acc_fir[1] => z[33]) = 0; (acc_fir[2] => z[33]) = 0; (acc_fir[3] => z[33]) = 0; (acc_fir[4] => z[33]) = 0; (acc_fir[5] => z[33]) = 0; (acc_fir[0] => z[34]) = 0; (acc_fir[1] => z[34]) = 0; (acc_fir[2] => z[34]) = 0; (acc_fir[3] => z[34]) = 0; (acc_fir[4] => z[34]) = 0; (acc_fir[5] => z[34]) = 0; (acc_fir[0] => z[35]) = 0; (acc_fir[1] => z[35]) = 0; (acc_fir[2] => z[35]) = 0; (acc_fir[3] => z[35]) = 0; (acc_fir[4] => z[35]) = 0; (acc_fir[5] => z[35]) = 0; (acc_fir[0] => z[36]) = 0; (acc_fir[1] => z[36]) = 0; (acc_fir[2] => z[36]) = 0; (acc_fir[3] => z[36]) = 0; (acc_fir[4] => z[36]) = 0; (acc_fir[5] => z[36]) = 0; (acc_fir[0] => z[37]) = 0; (acc_fir[1] => z[37]) = 0; (acc_fir[2] => z[37]) = 0; (acc_fir[3] => z[37]) = 0; (acc_fir[4] => z[37]) = 0; (acc_fir[5] => z[37]) = 0; endspecify `endif endmodule module QL_DSP2_MULTADD_REGIN ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire [ 5:0] acc_fir, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .dly_b(), .z(z), .f_mode(f_mode), .feedback(feedback), .acc_fir(acc_fir), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // unregistered output: ACCin (2, 3) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); $setuphold(posedge clk, acc_fir, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTADD_REGOUT ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire [ 5:0] acc_fir, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .dly_b(), .z(z), .f_mode(f_mode), .feedback(feedback), .acc_fir(acc_fir), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: ACCin (6, 7) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); $setuphold(posedge clk, acc_fir, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTADD_REGIN_REGOUT ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire [ 5:0] acc_fir, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .dly_b(), .z(z), .f_mode(f_mode), .feedback(feedback), .acc_fir(acc_fir), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: ACCin (6, 7) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); $setuphold(posedge clk, acc_fir, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTACC ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire load_acc, input wire [ 2:0] feedback, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // unregistered output: ACCout (1) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTACC_REGIN ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // unregistered output: ACCout (1) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTACC_REGOUT ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: ACCout (5) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // unregistered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); endspecify `endif endmodule module QL_DSP2_MULTACC_REGIN_REGOUT ( input wire [19:0] a, input wire [17:0] b, output wire [37:0] z, (* clkbuf_sink *) input wire clk, input wire reset, input wire [ 2:0] feedback, input wire load_acc, input wire unsigned_a, input wire unsigned_b, input wire f_mode, input wire [ 2:0] output_select, input wire saturate_enable, input wire [ 5:0] shift_right, input wire round, input wire subtract, input wire register_inputs ); parameter [79:0] MODE_BITS = 80'd0; localparam [19:0] COEFF_0 = MODE_BITS[19:0]; localparam [19:0] COEFF_1 = MODE_BITS[39:20]; localparam [19:0] COEFF_2 = MODE_BITS[59:40]; localparam [19:0] COEFF_3 = MODE_BITS[79:60]; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a), .b(b), .acc_fir(6'b0), .z(z), .dly_b(), .f_mode(f_mode), .feedback(feedback), .load_acc(load_acc), .unsigned_a(unsigned_a), .unsigned_b(unsigned_b), .clk(clk), .reset(reset), .output_select(output_select), // registered output: ACCout (5) .saturate_enable(saturate_enable), .shift_right(shift_right), .round(round), .subtract(subtract), .register_inputs(register_inputs) // registered inputs ); `ifdef SDF_SIM specify (posedge clk => (z +: a)) = 0; (posedge clk => (z +: b)) = 0; $setuphold(posedge clk, a, 0, 0); $setuphold(posedge clk, b, 0, 0); $setuphold(posedge clk, feedback, 0, 0); $setuphold(posedge clk, load_acc, 0, 0); $setuphold(posedge clk, subtract, 0, 0); endspecify `endif endmodule module dsp_t1_20x18x64_cfg_ports ( input wire [19:0] a_i, input wire [17:0] b_i, input wire [ 5:0] acc_fir_i, output wire [37:0] z_o, output wire [17:0] dly_b_o, (* clkbuf_sink *) input wire clock_i, input wire reset_i, input wire [ 2:0] feedback_i, input wire load_acc_i, input wire unsigned_a_i, input wire unsigned_b_i, input wire [ 2:0] output_select_i, input wire saturate_enable_i, input wire [ 5:0] shift_right_i, input wire round_i, input wire subtract_i, input wire register_inputs_i ); parameter [19:0] COEFF_0 = 20'd0; parameter [19:0] COEFF_1 = 20'd0; parameter [19:0] COEFF_2 = 20'd0; parameter [19:0] COEFF_3 = 20'd0; QL_DSP2 #( .MODE_BITS({COEFF_3, COEFF_2, COEFF_1, COEFF_0}) ) dsp ( .a(a_i), .b(b_i), .z(z_o), .dly_b(dly_b_o), .f_mode(1'b0), // 20x18x64 DSP .acc_fir(acc_fir_i), .feedback(feedback_i), .load_acc(load_acc_i), .unsigned_a(unsigned_a_i), .unsigned_b(unsigned_b_i), .clk(clock_i), .reset(reset_i), .saturate_enable(saturate_enable_i), .output_select(output_select_i), .round(round_i), .shift_right(shift_right_i), .subtract(subtract_i), .register_inputs(register_inputs_i) ); endmodule module dsp_t1_10x9x32_cfg_ports ( input wire [ 9:0] a_i, input wire [ 8:0] b_i, input wire [ 5:0] acc_fir_i, output wire [18:0] z_o, output wire [ 8:0] dly_b_o, (* clkbuf_sink *) input wire clock_i, input wire reset_i, input wire [ 2:0] feedback_i, input wire load_acc_i, input wire unsigned_a_i, input wire unsigned_b_i, input wire [ 2:0] output_select_i, input wire saturate_enable_i, input wire [ 5:0] shift_right_i, input wire round_i, input wire subtract_i, input wire register_inputs_i ); parameter [9:0] COEFF_0 = 10'd0; parameter [9:0] COEFF_1 = 10'd0; parameter [9:0] COEFF_2 = 10'd0; parameter [9:0] COEFF_3 = 10'd0; wire [18:0] z_rem; wire [8:0] dly_b_rem; QL_DSP2 #( .MODE_BITS({10'd0, COEFF_3, 10'd0, COEFF_2, 10'd0, COEFF_1, 10'd0, COEFF_0}) ) dsp ( .a({10'd0, a_i}), .b({9'd0, b_i}), .z({z_rem, z_o}), .dly_b({dly_b_rem, dly_b_o}), .f_mode(1'b1), // 10x9x32 DSP .acc_fir(acc_fir_i), .feedback(feedback_i), .load_acc(load_acc_i), .unsigned_a(unsigned_a_i), .unsigned_b(unsigned_b_i), .clk(clock_i), .reset(reset_i), .saturate_enable(saturate_enable_i), .output_select(output_select_i), .round(round_i), .shift_right(shift_right_i), .subtract(subtract_i), .register_inputs(register_inputs_i) ); endmodule module dsp_t1_sim_cfg_ports # ( parameter NBITS_ACC = 64, parameter NBITS_A = 20, parameter NBITS_B = 18, parameter NBITS_Z = 38 )( input wire [NBITS_A-1:0] a_i, input wire [NBITS_B-1:0] b_i, output wire [NBITS_Z-1:0] z_o, output reg [NBITS_B-1:0] dly_b_o, input wire [5:0] acc_fir_i, input wire [2:0] feedback_i, input wire load_acc_i, input wire unsigned_a_i, input wire unsigned_b_i, input wire clock_i, input wire s_reset, input wire saturate_enable_i, input wire [2:0] output_select_i, input wire round_i, input wire [5:0] shift_right_i, input wire subtract_i, input wire register_inputs_i, input wire [NBITS_A-1:0] coef_0_i, input wire [NBITS_A-1:0] coef_1_i, input wire [NBITS_A-1:0] coef_2_i, input wire [NBITS_A-1:0] coef_3_i ); // FIXME: The version of Icarus Verilog from Conda seems not to recognize the // $error macro. Disable this sanity check for now because of that. // Input registers reg [NBITS_A-1:0] r_a; reg [NBITS_B-1:0] r_b; reg [5:0] r_acc_fir; reg r_unsigned_a; reg r_unsigned_b; reg r_load_acc; reg [2:0] r_feedback; reg [5:0] r_shift_d1; reg [5:0] r_shift_d2; reg r_subtract; reg r_sat; reg r_rnd; reg [NBITS_ACC-1:0] acc; initial begin r_a <= 0; r_b <= 0; r_acc_fir <= 0; r_unsigned_a <= 0; r_unsigned_b <= 0; r_feedback <= 0; r_shift_d1 <= 0; r_shift_d2 <= 0; r_subtract <= 0; r_load_acc <= 0; r_sat <= 0; r_rnd <= 0; end always @(posedge clock_i or posedge s_reset) begin if (s_reset) begin r_a <= 'h0; r_b <= 'h0; r_acc_fir <= 0; r_unsigned_a <= 0; r_unsigned_b <= 0; r_feedback <= 0; r_shift_d1 <= 0; r_shift_d2 <= 0; r_subtract <= 0; r_load_acc <= 0; r_sat <= 0; r_rnd <= 0; end else begin r_a <= a_i; r_b <= b_i; r_acc_fir <= acc_fir_i; r_unsigned_a <= unsigned_a_i; r_unsigned_b <= unsigned_b_i; r_feedback <= feedback_i; r_shift_d1 <= shift_right_i; r_shift_d2 <= r_shift_d1; r_subtract <= subtract_i; r_load_acc <= load_acc_i; r_sat <= r_sat; r_rnd <= r_rnd; end end // Registered / non-registered input path select wire [NBITS_A-1:0] a = register_inputs_i ? r_a : a_i; wire [NBITS_B-1:0] b = register_inputs_i ? r_b : b_i; wire [5:0] acc_fir = register_inputs_i ? r_acc_fir : acc_fir_i; wire unsigned_a = register_inputs_i ? r_unsigned_a : unsigned_a_i; wire unsigned_b = register_inputs_i ? r_unsigned_b : unsigned_b_i; wire [2:0] feedback = register_inputs_i ? r_feedback : feedback_i; wire load_acc = register_inputs_i ? r_load_acc : load_acc_i; wire subtract = register_inputs_i ? r_subtract : subtract_i; wire sat = register_inputs_i ? r_sat : saturate_enable_i; wire rnd = register_inputs_i ? r_rnd : round_i; // Shift right control wire [5:0] shift_d1 = register_inputs_i ? r_shift_d1 : shift_right_i; wire [5:0] shift_d2 = output_select_i[1] ? shift_d1 : r_shift_d2; // Multiplier wire unsigned_mode = unsigned_a & unsigned_b; wire [NBITS_A-1:0] mult_a; assign mult_a = (feedback == 3'h0) ? a : (feedback == 3'h1) ? a : (feedback == 3'h2) ? a : (feedback == 3'h3) ? acc[NBITS_A-1:0] : (feedback == 3'h4) ? coef_0_i : (feedback == 3'h5) ? coef_1_i : (feedback == 3'h6) ? coef_2_i : coef_3_i; // if feedback == 3'h7 wire [NBITS_B-1:0] mult_b = (feedback == 2'h2) ? {NBITS_B{1'b0}} : b; wire [NBITS_A-1:0] mult_sgn_a = mult_a[NBITS_A-1]; wire [NBITS_A-1:0] mult_mag_a = (mult_sgn_a && !unsigned_a) ? (~mult_a + 1) : mult_a; wire [NBITS_B-1:0] mult_sgn_b = mult_b[NBITS_B-1]; wire [NBITS_B-1:0] mult_mag_b = (mult_sgn_b && !unsigned_b) ? (~mult_b + 1) : mult_b; wire [NBITS_A+NBITS_B-1:0] mult_mag = mult_mag_a * mult_mag_b; wire mult_sgn = (mult_sgn_a && !unsigned_a) ^ (mult_sgn_b && !unsigned_b); wire [NBITS_A+NBITS_B-1:0] mult = (unsigned_a && unsigned_b) ? (mult_a * mult_b) : (mult_sgn ? (~mult_mag + 1) : mult_mag); // Sign extension wire [NBITS_ACC-1:0] mult_xtnd = unsigned_mode ? {{(NBITS_ACC-NBITS_A-NBITS_B){1'b0}}, mult[NBITS_A+NBITS_B-1:0]} : {{(NBITS_ACC-NBITS_A-NBITS_B){mult[NBITS_A+NBITS_B-1]}}, mult[NBITS_A+NBITS_B-1:0]}; // Adder wire [NBITS_ACC-1:0] acc_fir_int = unsigned_a ? {{(NBITS_ACC-NBITS_A){1'b0}}, a} : {{(NBITS_ACC-NBITS_A){a[NBITS_A-1]}}, a} ; wire [NBITS_ACC-1:0] add_a = (subtract) ? (~mult_xtnd + 1) : mult_xtnd; wire [NBITS_ACC-1:0] add_b = (feedback_i == 3'h0) ? acc : (feedback_i == 3'h1) ? {{NBITS_ACC}{1'b0}} : (acc_fir_int << acc_fir); wire [NBITS_ACC-1:0] add_o = add_a + add_b; // Accumulator initial acc <= 0; always @(posedge clock_i or posedge s_reset) if (s_reset) acc <= 'h0; else begin if (load_acc) acc <= add_o; else acc <= acc; end // Adder/accumulator output selection wire [NBITS_ACC-1:0] acc_out = (output_select_i[1]) ? add_o : acc; // Round, shift, saturate wire [NBITS_ACC-1:0] acc_rnd = (rnd && (shift_right_i != 0)) ? (acc_out + ({{(NBITS_ACC-1){1'b0}}, 1'b1} << (shift_right_i - 1))) : acc_out; wire [NBITS_ACC-1:0] acc_shr = (unsigned_mode) ? (acc_rnd >> shift_right_i) : (acc_rnd >>> shift_right_i); wire [NBITS_ACC-1:0] acc_sat_u = (acc_shr[NBITS_ACC-1:NBITS_Z] != 0) ? {{(NBITS_ACC-NBITS_Z){1'b0}},{NBITS_Z{1'b1}}} : {{(NBITS_ACC-NBITS_Z){1'b0}},{acc_shr[NBITS_Z-1:0]}}; wire [NBITS_ACC-1:0] acc_sat_s = ((|acc_shr[NBITS_ACC-1:NBITS_Z-1] == 1'b0) || (&acc_shr[NBITS_ACC-1:NBITS_Z-1] == 1'b1)) ? {{(NBITS_ACC-NBITS_Z){1'b0}},{acc_shr[NBITS_Z-1:0]}} : {{(NBITS_ACC-NBITS_Z){1'b0}},{acc_shr[NBITS_ACC-1],{NBITS_Z-1{~acc_shr[NBITS_ACC-1]}}}}; wire [NBITS_ACC-1:0] acc_sat = (sat) ? ((unsigned_mode) ? acc_sat_u : acc_sat_s) : acc_shr; // Output signals wire [NBITS_Z-1:0] z0; reg [NBITS_Z-1:0] z1; wire [NBITS_Z-1:0] z2; assign z0 = mult_xtnd[NBITS_Z-1:0]; assign z2 = acc_sat[NBITS_Z-1:0]; initial z1 <= 0; always @(posedge clock_i or posedge s_reset) if (s_reset) z1 <= 0; else begin z1 <= (output_select_i == 3'b100) ? z0 : z2; end // Output mux assign z_o = (output_select_i == 3'h0) ? z0 : (output_select_i == 3'h1) ? z2 : (output_select_i == 3'h2) ? z2 : (output_select_i == 3'h3) ? z2 : (output_select_i == 3'h4) ? z1 : (output_select_i == 3'h5) ? z1 : (output_select_i == 3'h6) ? z1 : z1; // if output_select_i == 3'h7 // B input delayed passthrough initial dly_b_o <= 0; always @(posedge clock_i or posedge s_reset) if (s_reset) dly_b_o <= 0; else dly_b_o <= b_i; endmodule