From e36f3c8211d6b10dbbd3e6c123773bc3b387cee8 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Tue, 11 Aug 2015 01:14:40 -0700
Subject: [PATCH] GBA Video: Fix timing on first scanline

---
 CHANGES         | 1 +
 src/gba/video.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 33d9f2668..e3fde14ff 100644
--- a/CHANGES
+++ b/CHANGES
@@ -70,6 +70,7 @@ Bugfixes:
  - GBA Video: Prevent tiles < 512 from being used in modes 3 - 5
  - Qt: Fix passing command line options
  - Qt: Fix crashes on Windows by using using QMetaObject to do cross-thread calls
+ - GBA Video: Fix timing on first scanline
 Misc:
  - Qt: Handle saving input settings better
  - Debugger: Free watchpoints in addition to breakpoints
diff --git a/src/gba/video.c b/src/gba/video.c
index 39856c2a9..fef6e1b54 100644
--- a/src/gba/video.c
+++ b/src/gba/video.c
@@ -67,7 +67,7 @@ void GBAVideoReset(struct GBAVideo* video) {
 	video->lastHblank = 0;
 	video->nextHblank = VIDEO_HDRAW_LENGTH;
 	video->nextEvent = video->nextHblank;
-	video->eventDiff = video->nextEvent;
+	video->eventDiff = 0;
 
 	video->nextHblankIRQ = 0;
 	video->nextVblankIRQ = 0;