1 files changed, 18 insertions, 0 deletions
diff --git a/techlibs/intel_alm/common/abc9_map.v b/techlibs/intel_alm/common/abc9_map.v
new file mode 100644
index 000000000..32ad79bdc
--- /dev/null
+++ b/techlibs/intel_alm/common/abc9_map.v
@@ -0,0 +1,18 @@
+// This file exists to map purely-synchronous flops to ABC9 flops, while 
+// mapping flops with asynchronous-clear as boxes, this is because ABC9 
+// doesn't support asynchronous-clear flops in sequential synthesis.
+
+module MISTRAL_FF(
+    input DATAIN, CLK, ACLR, ENA, SCLR, SLOAD, SDATA,
+    output reg Q
+);
+
+parameter _TECHMAP_CONSTMSK_ACLR_ = 1'b0;
+
+// If the async-clear is constant, we assume it's disabled.
+if (_TECHMAP_CONSTMSK_ACLR_ != 1'b0)
+    MISTRAL_FF_SYNCONLY _TECHMAP_REPLACE_ (.DATAIN(DATAIN), .CLK(CLK), .ENA(ENA), .SCLR(SCLR), .SLOAD(SLOAD), .SDATA(SDATA), .Q(Q));
+else
+    wire _TECHMAP_FAIL_ = 1;
+
+endmodule