diff --git a/oscar64/NativeCodeGenerator.cpp b/oscar64/NativeCodeGenerator.cpp
index eea5b22..ebf0be9 100644
--- a/oscar64/NativeCodeGenerator.cpp
+++ b/oscar64/NativeCodeGenerator.cpp
@@ -24680,6 +24680,17 @@ bool NativeCodeBasicBlock::OptimizeGenericLoop(NativeCodeProcedure* proc)
 							yreg = -2;
 							xreg = -2;
 							break;
+						case ASMIT_CMP:
+							if (ins.mMode == ASMIM_INDIRECT_Y && yoffset != 0 && yreg >= 0)
+							{
+								yreg = -2;
+							}
+							else if (ins.mMode == ASMIM_ZERO_PAGE)
+							{
+								zxreg[ins.mAddress] = -1;
+								zyreg[ins.mAddress] = -1;
+							}
+							break;
 						default:
 							if (ins.mMode == ASMIM_ZERO_PAGE)
 							{
@@ -33110,7 +33121,7 @@ void NativeCodeProcedure::RebuildEntry(void)
 
 void NativeCodeProcedure::Optimize(void)
 {
-	CheckFunc = !strcmp(mInterProc->mIdent->mString, "main");
+	CheckFunc = !strcmp(mInterProc->mIdent->mString, "checkKeys");
 
 #if 1
 	int		step = 0;
@@ -33346,7 +33357,6 @@ void NativeCodeProcedure::Optimize(void)
 		}
 #endif
 
-
 #if _DEBUG
 		ResetVisited();
 		mEntryBlock->CheckBlocks(true);
@@ -33365,7 +33375,6 @@ void NativeCodeProcedure::Optimize(void)
 			if (mEntryBlock->OptimizeFindLoop(this))
 				changed = true;
 #endif
-
 #if 1
 			ResetVisited();
 			if (mEntryBlock->ReduceLocalYPressure())
@@ -33398,7 +33407,6 @@ void NativeCodeProcedure::Optimize(void)
 		}
 #endif
 
-
 		if (step > 3 && !changed)
 		{
 			ResetVisited();
@@ -33640,7 +33648,6 @@ void NativeCodeProcedure::Optimize(void)
 		else
 			cnt++;
 
-
 	} while (changed);
 
 #if 1
diff --git a/oscar64/oscar64.cpp b/oscar64/oscar64.cpp
index a71b4dc..dc6561c 100644
--- a/oscar64/oscar64.cpp
+++ b/oscar64/oscar64.cpp
@@ -74,7 +74,7 @@ int main2(int argc, const char** argv)
 
 #else
 		strcpy(strProductName, "oscar64");
-		strcpy(strProductVersion, "1.14.180");
+		strcpy(strProductVersion, "1.14.181");
 
 #ifdef __APPLE__
 		uint32_t length = sizeof(basePath);
diff --git a/oscar64/oscar64.rc b/oscar64/oscar64.rc
index 76e7cf7..0ab31f2 100644
--- a/oscar64/oscar64.rc
+++ b/oscar64/oscar64.rc
@@ -25,8 +25,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_NEUTRAL
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,14,180,0
- PRODUCTVERSION 1,14,180,0
+ FILEVERSION 1,14,181,0
+ PRODUCTVERSION 1,14,181,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,12 +43,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "oscar64"
             VALUE "FileDescription", "oscar64 compiler"
-            VALUE "FileVersion", "1.14.180.0"
+            VALUE "FileVersion", "1.14.181.0"
             VALUE "InternalName", "oscar64.exe"
             VALUE "LegalCopyright", "Copyright (C) 2021"
             VALUE "OriginalFilename", "oscar64.exe"
             VALUE "ProductName", "oscar64"
-            VALUE "ProductVersion", "1.14.180.0"
+            VALUE "ProductVersion", "1.14.181.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/oscar64setup/oscar64setup.vdproj b/oscar64setup/oscar64setup.vdproj
index f744b97..9e8cd3f 100644
--- a/oscar64setup/oscar64setup.vdproj
+++ b/oscar64setup/oscar64setup.vdproj
@@ -4450,15 +4450,15 @@
         {
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:oscar64"
-        "ProductCode" = "8:{98E06092-44C3-4257-9CB5-558CC95ECD52}"
-        "PackageCode" = "8:{46539414-1B0F-4F6C-AE0A-F6593086E4A7}"
+        "ProductCode" = "8:{F041F169-30F1-469E-BB7C-E316C7A562B5}"
+        "PackageCode" = "8:{B0EC0EC4-A9FC-496F-B024-6515FEB53CC0}"
         "UpgradeCode" = "8:{9AB61EFF-ACAC-4079-9950-8D96615CD4EF}"
         "AspNetVersion" = "8:2.0.50727.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:TRUE"
         "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:FALSE"
-        "ProductVersion" = "8:1.14.180"
+        "ProductVersion" = "8:1.14.181"
         "Manufacturer" = "8:oscar64"
         "ARPHELPTELEPHONE" = "8:"
         "ARPHELPLINK" = "8:"