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yosys/techlibs/nanoxplore/cells_sim_u.v
2024-08-15 17:50:36 +02:00

31 lines
753 B
Verilog

module NX_GCK_U(SI1, SI2, CMD, SO);
input CMD;
input SI1;
input SI2;
output SO;
parameter inv_in = 1'b0;
parameter inv_out = 1'b0;
parameter std_mode = "BYPASS";
wire SI1_int = inv_in ? ~SI1 : SI1;
wire SI2_int = inv_in ? ~SI2 : SI2;
wire SO_int;
generate if (std_mode == "BYPASS") begin
assign SO_int = SI1_int;
end
else if (std_mode == "MUX") begin
assign SO_int = CMD ? SI1_int : SI2_int;
end
else if (std_mode == "CKS") begin
assign SO_int = CMD ? SI1_int : 1'b0;
end
else if (std_mode == "CSC") begin
assign SO_int = CMD;
end
else
$error("Unrecognised std_mode");
endgenerate
assign SO = inv_out ? ~SO_int : SO_int;
endmodule