From 5a558a6afe1c030ac3742e39b1cb022af6f85787 Mon Sep 17 00:00:00 2001
From: Thomas Jentzsch <tjentzsch@yahoo.de>
Date: Sun, 9 Oct 2022 12:15:01 +0200
Subject: [PATCH] fixed jitter emulation

---
 src/emucore/tia/frame-manager/JitterEmulation.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/emucore/tia/frame-manager/JitterEmulation.cxx b/src/emucore/tia/frame-manager/JitterEmulation.cxx
index b31a20852..f6d2020f2 100644
--- a/src/emucore/tia/frame-manager/JitterEmulation.cxx
+++ b/src/emucore/tia/frame-manager/JitterEmulation.cxx
@@ -84,7 +84,7 @@ void JitterEmulation::frameComplete(Int32 scanlineCount, Int32 vsyncCycles)
       {
         const Int32 scanlineDifference = scanlineCount - myLastFrameScanlines;
 
-        if(abs(scanlineDifference) < myScanlineDelta
+        if(abs(scanlineDifference) >= myScanlineDelta
           && abs(myJitter) < static_cast<Int32>(myRandom.next() % myJitterLines))
         {
           // Repeated invalid frames cause randomly repeated jitter