1 files changed, 14 insertions, 0 deletions
diff --git a/techlibs/coolrunner2/cells_sim.v b/techlibs/coolrunner2/cells_sim.v
index baeb97fa5..474d35a9a 100644
--- a/techlibs/coolrunner2/cells_sim.v
+++ b/techlibs/coolrunner2/cells_sim.v
@@ -41,3 +41,17 @@ module ORTERM(IN, OUT);
         end
     end
 endmodule
+
+module MACROCELL_XOR(IN_PTC, IN_ORTERM, OUT);
+    parameter INVERT_PTC = 0;
+    parameter INVERT_OUT = 0;
+
+    input IN_PTC;
+    input IN_ORTERM;
+    output wire OUT;
+
+    wire xor_intermed;
+
+    assign OUT = INVERT_OUT ? ~xor_intermed : xor_intermed;
+    assign xor_intermed = INVERT_PTC ? IN_ORTERM ^ ~IN_PTC : IN_ORTERM ^ IN_PTC;
+endmodule