1 files changed, 10 insertions, 0 deletions
diff --git a/techlibs/common/abc9_model.v b/techlibs/common/abc9_model.v
new file mode 100644
index 000000000..c0c5dc2fd
--- /dev/null
+++ b/techlibs/common/abc9_model.v
@@ -0,0 +1,10 @@
+module \$__ABC9_FF_ (input D, output Q);
+endmodule
+
+(* abc9_box *)
+module \$__ABC9_DELAY (input I, output O);
+  parameter DELAY = 0;
+  specify
+    (I => O) = DELAY;
+  endspecify
+endmodule