LUI working.

src/main/scala/ToplevelSignals.scala

@@ -82,7 +82,7 @@ object branchType {
 object Op1Select {
   val rs1  = 0.asUInt(2.W)
   val PC   = 1.asUInt(2.W)
-  val Zero = 1.asUInt(2.W)
+  val Zero = 2.asUInt(2.W)
   val DC   = 3.asUInt(2.W)
 }
 

src/test/scala/Manifest.scala

@@ -19,14 +19,14 @@ import LogParser._
 
 object Manifest {
 
-  val singleTest = "arithImm.s"
+  val singleTest = "constants.s"
 
   val nopPadded = true
 
   val singleTestOptions = TestOptions(
     printIfSuccessful  = true,
     printErrors        = true,
-    printParsedProgram = false,
+    printParsedProgram = true,
     printVMtrace       = false,
     printVMfinal       = false,
     printMergedTrace   = true,