nga-python: raise IndexError on invalid fetch address (#31)

FossilOrigin-Name: 40e85d0ae3d2223e1b465f782f8e4c4b93bc7c1ffad6615f569ebc6a357482e1
2020-12-23 12:21:35 +00:00 · 2020-12-23 12:21:35 +00:00 · 58e289d1fc
commit 58e289d1fc
parent 84f5134687
1 changed files with 1 additions and 1 deletions
--- a/vm/nga-python/retro.py
+++ b/vm/nga-python/retro.py
@ -286,7 +286,7 @@ class Retro:
        elif target == -5:
            self.stack.push(170141183460469231731687303715884105727)
        else:
-            self.stack.push(0)
+            raise IndexError

    def i_store(self):
        mi = self.stack.pop()