From e9d4219d7b691e01df9f50b128f6de56fa82d57a Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Sat, 22 Aug 2015 13:36:42 -0700
Subject: [PATCH] GBA Video: Start on the scanline BIOS finishes on if no BIOS
 is loaded

---
 CHANGES         | 1 +
 src/gba/video.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 20b1f3885..f1f42f4a3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,7 @@ Bugfixes:
  - Qt: Fix install path of XDG desktop file with DESTDIR
  - Qt: Fix drag and drop on Windows
  - Qt: Reenable double buffering, as disabling it broke some Windows configs
+ - GBA Video: Start on the scanline BIOS finishes on if no BIOS is loaded
 Misc:
  - Qt: Window size command line options are now supported
  - Qt: Increase usability of key mapper
diff --git a/src/gba/video.c b/src/gba/video.c
index fef6e1b54..c70e47a38 100644
--- a/src/gba/video.c
+++ b/src/gba/video.c
@@ -62,7 +62,13 @@ void GBAVideoInit(struct GBAVideo* video) {
 }
 
 void GBAVideoReset(struct GBAVideo* video) {
-	video->vcount = VIDEO_VERTICAL_TOTAL_PIXELS - 1;
+	if (video->p->memory.fullBios) {
+		video->vcount = 0;
+	} else {
+		// TODO: Verify exact scanline hardware
+		video->vcount = 0x7E;
+	}
+	video->p->memory.io[REG_VCOUNT >> 1] = video->vcount;
 
 	video->lastHblank = 0;
 	video->nextHblank = VIDEO_HDRAW_LENGTH;