diff --git a/dump_features.java b/dump_features.java
index e25e78c..260a3b2 100644
--- a/dump_features.java
+++ b/dump_features.java
@@ -148,6 +148,7 @@
                     boolean[] haveff = {false, false};
                     boolean[] srused = {false, false, false, false};
                     boolean[] ceused = {false, false, false, false};
+                    boolean[] waused = {false, false, false};
 
                     for (BEL b : si.getBELs()) {
                         String belName = b.getName();
@@ -171,8 +172,9 @@
                                 tfeat.add(belName.replaceAll("[56]", "") + ".SRL.LARGE");
 
                             for (int i = 6; i <= 8; i++) {
-                                if (c.getPhysicalPinMapping("WADR" + i) != null)
-                                    tfeat.add("WA" + (i+1) + "USED");
+                                if (c.getPhysicalPinMapping("WADR" + i) != null) {
+                                    waused[i-6] = true;
+                                }
                             }
                             if (c.getType().contains("SRLC32") && c.getEDIFCellInst() != null) {
                                 EDIFPortInst epi = c.getEDIFCellInst().getPortInst("D");
@@ -229,7 +231,6 @@
                                     tfeat.add(belName.replaceAll("[56]", "") + ".INIT[" + i + "]");
                                 }
                             }
-
                         } else if (belName.contains("FF")) {
                             boolean is_latch = false, is_sync = false, srval = false;
                             String clkpin, srpin, cepin;
@@ -360,6 +361,15 @@
                         }
                         tfeat.add(sp.getBELName() + "." + sp.getInputPinName());
                     }
+                    if (si.getSiteTypeEnum() == SiteTypeEnum.SLICEM) {
+                        for (int i = 0; i < 3; i++) {
+                            if(waused[i]) {
+                                tfeat.add("WA" + (i+7) + "USED.1");
+                            } else {
+                                tfeat.add("WA" + (i+7) + "USED.0");
+                            }
+                        }
+                    }
                 } else if (si.getSiteTypeEnum() == SiteTypeEnum.BUFCE_LEAF) {
                     String name = site_index_in_tile(si.getTile(), si.getSite());
                     for (Cell c : si.getCells()) {