From 4783e2eef6008b03516491b88b21724cfeaabd10 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Wed, 11 Nov 2015 23:33:46 -0800
Subject: [PATCH] GBA Memory: More DMA register cleanup

---
 src/gba/memory.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gba/memory.c b/src/gba/memory.c
index e67bd66ed..834b54ae8 100644
--- a/src/gba/memory.c
+++ b/src/gba/memory.c
@@ -1371,7 +1371,11 @@ uint16_t GBAMemoryWriteDMACNT_HI(struct GBA* gba, int dma, uint16_t control) {
 	struct GBAMemory* memory = &gba->memory;
 	struct GBADMA* currentDma = &memory->dma[dma];
 	int wasEnabled = GBADMARegisterIsEnable(currentDma->reg);
-	control &= 0xFFE0;
+	if (dma < 3) {
+		control &= 0xF7E0;
+	} else {
+		control &= 0xFFE0;
+	}
 	currentDma->reg = control;
 
 	if (GBADMARegisterIsDRQ(currentDma->reg)) {