?? acs1_1.v
字號:
//Actually the node is a CSA and not a ACS.`include "defs.h"module ACS1_1(metric0, metric1, sum_enc_bits, new_metric0, new_metric1, compare);input [8-1:0] metric0, metric1;input [4-1:0] sum_enc_bits;output [8-1:0] new_metric0, new_metric1;output compare;wire [`W-1:0] sub_metrs = ~metric0 + metric1;wire compare = sub_metrs[`W-1];wire [`W-1:0] survival = (compare == 1 ? metric0 : metric1);wire [`S-1:0] metric_change = sum_enc_bits;wire [`W-1:0] signext_m = {{`W-`S{metric_change[`S-1]}}, metric_change};assign new_metric0 = survival + signext_m;assign new_metric1 = survival - signext_m;endmodule
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