# HG changeset patch
# User Thibaut Girka <thib@sitedethib.com>
# Date 1315165850 -7200
# Node ID 54929d495654a7c14938f1af0095817c4b66cf86
# Parent  e2d8f2a56ea4aa5afb6ca18b4514828c6dbf87ce
Handle ECL instruction 18

diff --git a/pytouhou/formats/ecl.py b/pytouhou/formats/ecl.py
--- a/pytouhou/formats/ecl.py
+++ b/pytouhou/formats/ecl.py
@@ -36,7 +36,7 @@ class ECL(object):
                      15: ('iii', 'multiply_int'),
                      16: ('iii', 'divide_int'),
                      17: ('iii', 'modulo'),
-                     18: ('i', None),
+                     18: ('i', 'increment'),
                      20: ('iff', 'add_float'),
                      21: ('iff', 'substract_float'),
                      23: ('iff', 'divide_float'),
diff --git a/pytouhou/vm/eclrunner.py b/pytouhou/vm/eclrunner.py
--- a/pytouhou/vm/eclrunner.py
+++ b/pytouhou/vm/eclrunner.py
@@ -249,6 +249,11 @@ class ECLRunner(object):
         self._setval(variable_id, self._getval(a) % self._getval(b))
 
 
+    @instruction(18)
+    def increment(self, variable_id):
+        self._setval(variable_id, self._getval(variable_id) + 1)
+
+
     @instruction(23)
     def divide_float(self, variable_id, a, b):
         #TODO: takes only floats.