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diff --git a/techlibs/gatemate/mux_map.v b/techlibs/gatemate/mux_map.v
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+++ b/techlibs/gatemate/mux_map.v
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+/*
+ *  yosys -- Yosys Open SYnthesis Suite
+ *
+ *  Copyright (C) 2021  Cologne Chip AG <support@colognechip.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+module \$_MUX8_ (A, B, C, D, E, F, G, H, S, T, U, Y);
+	input  A, B, C, D, E, F, G, H, S, T, U;
+	output Y;
+
+	CC_MX8 _TECHMAP_REPLACE_ (
+		.D0(A), .D1(B), .D2(C), .D3(D),
+		.D4(E), .D5(F), .D6(G), .D7(H),
+		.S0(S), .S1(T), .S2(U),
+		.Y(Y)
+	);
+
+endmodule
+
+module \$_MUX4_ (A, B, C, D, S, T, Y);
+	input  A, B, C, D, S, T;
+	output Y;
+
+	CC_MX4 _TECHMAP_REPLACE_ (
+		.D0(A), .D1(B), .D2(C), .D3(D),
+		.S0(S), .S1(T),
+		.Y(Y)
+	);
+
+endmodule
+
+/*
+module \$_MUX_ (A, B, S, Y);
+	input  A, B, S;
+	output Y;
+
+	CC_MX2 _TECHMAP_REPLACE_ (
+		.D0(A), .D1(B), .S0(S),
+		.Y(Y)
+	);
+
+endmodule
+*/