From c551230a8e4142cf066416783abdd9a19779a56d Mon Sep 17 00:00:00 2001
From: Sergey Lipskiy <gonetz@ngs.ru>
Date: Sat, 27 Sep 2014 13:18:56 +0700
Subject: [PATCH] Double VI.height in interlaced mode when yScale = 1. This
 fixes frame buffer height for Star Wars Ep.1 Racer. Not sure that this
 solution is correct!

---
 VI.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/VI.cpp b/VI.cpp
index dd183eff..90228323 100644
--- a/VI.cpp
+++ b/VI.cpp
@@ -29,7 +29,10 @@ void VI_UpdateSize()
 	VI.interlaced = (*REG.VI_STATUS & 0x40) != 0;
 
 	VI.width = (hEnd - hStart) * xScale;
-	VI.real_height = (vEnd - vStart) * yScale;
+	if (VI.interlaced &&  _SHIFTR(*REG.VI_Y_SCALE, 0, 12) == 1024)
+		VI.real_height = (vEnd - vStart) << 1;
+	else
+		VI.real_height = (vEnd - vStart) * yScale;
 	VI.height = VI.real_height*1.0126582f;
 
 	if (VI.vStart == 0) {