1 files changed, 12 insertions, 0 deletions
diff --git a/spicedataview.js b/spicedataview.js
index ef9555d..43f0170 100644
--- a/spicedataview.js
+++ b/spicedataview.js
@@ -93,4 +93,16 @@ SpiceDataView.prototype = {
         this.setUint16(byteOffset + high, (w & 0xffffffff) >> 16, littleEndian);
         this.setUint16(byteOffset + low,  (w & 0x0000ffff), littleEndian);
     },
+    setUint64:  function(byteOffset, w, littleEndian)
+    {
+        var low = 4, high = 0;
+        if (littleEndian)
+        {
+            low = 0;
+            high = 4;
+        }
+
+        this.setUint32(byteOffset + high, (w & 0xffffffffffffffff) >> 32, littleEndian);
+        this.setUint32(byteOffset + low,  (w & 0x00000000ffffffff), littleEndian);
+    },
 }