# HG changeset patch
# User Thibaut Girka <thib@sitedethib.com>
# Date 1315124382 -7200
# Node ID f7525fa66bb03298496343d7cc92359aefa3b550
# Parent  630e9045e851e9c24e831c0081ae138dc0f4317e
Fix ECL instruction 3

diff --git a/pytouhou/vm/eclrunner.py b/pytouhou/vm/eclrunner.py
--- a/pytouhou/vm/eclrunner.py
+++ b/pytouhou/vm/eclrunner.py
@@ -166,9 +166,9 @@ class ECLRunner(object):
         Warning: the relative offset has been translated to an instruction pointer
         by the ECL parsing code (see pytouhou.formats.ecl).
         """
-        counter_value = self._getval(variable_id)
-        if counter_value:
-            self._setval(variable_id, counter_value - 1)
+        counter_value = self._getval(variable_id) - 1
+        if counter_value > 0:
+            self._setval(variable_id, counter_value)
             self.frame, self.instruction_pointer = frame, instruction_pointer