Fix li bias for certain integers

src/test/scala/RISCV/Parser.scala

@@ -145,10 +145,9 @@ object Parser {
 
   val multipleInstructions: Parser[List[Op]] = List(
     stringWs("li") ~> (reg <~ sep, (hex | int).map(_.splitHiLo(20))).mapN{ case(rd, (hi, lo)) => {
-      say("hello?")
       List(
       ArithImm.add(rd, rd, lo),
-      LUI(rd, hi),
+      LUI(rd, if(lo>0) hi else hi+1),
     )}}.map(_.widen[Op]),
 
     // NOTE: THESE ARE NOT PSEUDO-OPS IN RISC-V32I!