diff --git a/lang/compile.py b/lang/compile.py
index b503048..9ff9cf4 100755
--- a/lang/compile.py
+++ b/lang/compile.py
@@ -243,18 +243,20 @@
 		return 'IRSelf'
 
 class IRLoad():
-	def __init__(self, variable):
+	def __init__(self, variable, pos):
 		self.variable = variable
+		self.pos = pos
 
 	def __repr__(self):
-		return 'IRLoad(variable=%s)' % (self.variable)
+		return 'IRLoad(variable=%s, pos=%i)' % (self.variable, self.pos)
 
 class IRStore():
-	def __init__(self, variable):
+	def __init__(self, variable, pos):
 		self.variable = variable
+		self.pos = pos
 
 	def __repr__(self):
-		return 'IRStore(variable=%s)' % (self.variable)
+		return 'IRStore(variable=%s, pos=%i)' % (self.variable, self.pos)
 
 class IRCall():
 	def __init__(self, name, args):
@@ -297,7 +299,7 @@
 		if value.name == "Self":
 			return [IRSelf()]
 		else:
-			return [IRLoad(value.name)]
+			return [IRLoad(value.name, None)]
 	else:
 		print("Unknown value ast node: %s" % (node))
 		return None
@@ -332,7 +334,7 @@
 	if not sub_ir:
 		print("Unknown set ast node: %s" % (node))
 		return None
-	store = IRStore(ast.name)
+	store = IRStore(ast.name, None)
 	return sub_ir + [store]
 
 def generate_ir_return(ast):
@@ -340,7 +342,7 @@
 	if not value_ir:
 		print("Unknown return ast node: %s" % (node))
 		return None
-	store_ret = IRStore("Return")
+	store_ret = IRStore("Return", None)
 	ret = IRReturn()
 	return value_ir + [store_ret, ret]
 
@@ -407,10 +409,10 @@
 	for node in ir.statements:
 		if isinstance(node, IRLoad):
 			reg = variables[node.variable]
-			new_ir.append(IRLoad(reg))
+			new_ir.append(IRLoad(node.variable, reg))
 		elif isinstance(node, IRStore):
 			reg = variables[node.variable]
-			new_ir.append(IRStore(reg))
+			new_ir.append(IRStore(node.variable, reg))
 			continue
 		elif isinstance(node, IRCall):
 			new_ir.append(node)
@@ -468,11 +470,11 @@
 			bytes += b"\x08" # OP_DROP
 			bytes += node.size.to_bytes(1)
 		elif isinstance(node, IRLoad):
-			index = int(node.variable)
+			index = int(node.pos)
 			bytes += b"\x06" # OP_GET
 			bytes += index.to_bytes(1)
 		elif isinstance(node, IRStore):
-			index = int(node.variable)
+			index = int(node.pos)
 			bytes += b"\x07" # OP_SET
 			bytes += index.to_bytes(1)
 		elif isinstance(node, IRCall):