From 807622f7bf107b18d2a7457913eaa1d1b9f25085 Mon Sep 17 00:00:00 2001
From: Sergey Lipskiy <gonetz@ngs.ru>
Date: Wed, 30 Nov 2016 20:47:32 +0700
Subject: [PATCH] Fix image jitter in interlaced mode. Fixed regression caused
 by commit f2b9883

---
 src/FrameBuffer.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/FrameBuffer.cpp b/src/FrameBuffer.cpp
index aa8e1385..353a6e85 100644
--- a/src/FrameBuffer.cpp
+++ b/src/FrameBuffer.cpp
@@ -876,8 +876,10 @@ void FrameBufferList::renderBuffer(u32 _address)
 		Xoffset = 0;
 
 	if (isLowerField) {
-//		if (srcY0 > 0)
-//			--srcY0;
+		if (*REG.VI_WIDTH < VI.width * 2) {
+			if (srcY0 > 0)
+				--srcY0;
+		}
 		if (dstY0 > 0)
 			--dstY0;
 	}