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-rw-r--r--tests/ice40/tribuf_top.v23
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diff --git a/tests/ice40/tribuf_top.v b/tests/ice40/tribuf_top.v
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+module tristate (en, i, o);
+ input en;
+ input i;
+ output reg o;
+
+ always @(en or i)
+ o <= (en)? i : 1'bZ;
+endmodule
+
+
+module top (
+input en,
+input a,
+output b
+);
+
+tristate u_tri (
+ .en (en ),
+ .i (a ),
+ .o (b )
+ );
+
+endmodule