1 files changed, 5 insertions, 5 deletions
diff --git a/linker.sml b/linker.sml
index 874e145..6694d89 100644
--- a/linker.sml
+++ b/linker.sml
@@ -31,14 +31,14 @@ struct
     end
 
   fun writeVar w v =
-    if v > 7
+    if v > CodeGen.tempReg
     then raise Fail ("var out of range: " ^ Int.toString v)
     else lowByte w (Word.fromInt v)
 
   fun writeOffset w i =
-    if ~128 > i orelse i > 127
+    if 0 > i orelse i > 127
     then raise Fail ("offset out of range: " ^ Int.toString i)
-    else lowByte w 
+    else lowByte w (Word.fromInt i)
 
   structure IntMap = Map(type k = int val cmp = Int.compare);
 
@@ -58,13 +58,13 @@ struct
           makeOpcode w 2 false false
       | Syntax.OPoke (off, p, v) =>
           (makeOpcode w 3 (isConst v) false ;
-           writeInt w off ;
+           writeOffset w off ;
            writeVar w p ;
            writeValue w v)
       | Syntax.OPeek (r, off, v) =>
           (makeOpcode w 4 (isConst v) false ;
            writeVar w r ;
-           writeInt w off ;
+           writeOffset w off ;
            writeValue w v)
       | Syntax.OShuf (r, v) =>
           (makeOpcode w 5 (isConst v) false ;