wire [2:0] L_r1; wire [2:0] L_r2; reg [3:0] L_r; reg GS_r; reg EO_r; always@(*)begin if((!A[15:8]) && A[7:0]) L_r <= {1'b0, L_r1}; else if(A[15:8]) L_r <= {1'b1, L_r2}; else L_r <= 4'b0000; end always@(*)begin if(!EI) {GS_r, EO_r} <= 2'b0_0; else if(!A) {GS_r, EO_r} <= 2'b0_1; else {GS_r, EO_r} <= 2'b1_0; end assign L = L_r; assign GS = GS_r; assign EO = EO_r; encoder_83 encoder_83_07( .I (A[7:0]), .EI (EI), .Y (L_r1), .GS (), .EO () ); encoder_83 encoder_83_815( .I (A[15:8]), .EI (EI), .Y (L_r2), .GS (), .EO () ); endmodule请问大佬，这种方法为什么行不通