From 5dd3e91c2ddbd20bfd9a9ac2064644bd6c4f2389 Mon Sep 17 00:00:00 2001
From: Karol Stasiak <karol.m.stasiak@gmail.com>
Date: Sun, 29 Mar 2020 01:45:02 +0100
Subject: [PATCH] 6502: correctly optimize code before BIT instructions

---
 .../assembly/mos/opt/ReverseFlowAnalyzerPerOpcode.scala         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/millfork/assembly/mos/opt/ReverseFlowAnalyzerPerOpcode.scala b/src/main/scala/millfork/assembly/mos/opt/ReverseFlowAnalyzerPerOpcode.scala
index b35f6d87..1d67010b 100644
--- a/src/main/scala/millfork/assembly/mos/opt/ReverseFlowAnalyzerPerOpcode.scala
+++ b/src/main/scala/millfork/assembly/mos/opt/ReverseFlowAnalyzerPerOpcode.scala
@@ -105,7 +105,7 @@ object ReverseFlowAnalyzerPerOpcode {
     }),
     BIT -> (currentImportance => {
       currentImportance.copy(
-        a = currentImportance.z,
+        a = currentImportance.a ~ currentImportance.z,
         n = Unimportant,
         z = Unimportant,
         v = Unimportant,