From 5c4b23cbee79ce9ff1d4fb287fabda3d1b53fe30 Mon Sep 17 00:00:00 2001
From: gardners <paul@servalproject.org>
Date: Fri, 7 Feb 2014 20:23:56 +1030
Subject: [PATCH] fix 16-bit branch out-by-one error

---
 src/Ophis/Passes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Ophis/Passes.py b/src/Ophis/Passes.py
index b22f162..a2b316d 100644
--- a/src/Ophis/Passes.py
+++ b/src/Ophis/Passes.py
@@ -768,7 +768,7 @@ class Assembler(Pass):
     def relativizelong(self, expr, env, arglen):
         "Convert an expression into one for use in relative addressing"
         arg = expr.value(env)
-        arg = arg - (env.getPC() + arglen + 1)
+        arg = arg - (env.getPC() + arglen)
         if arg < 0:
             arg += 65536
         return IR.ConstantExpr(arg)