From cd48c293d6df5beebad3a8cc542efc6bc88ee005 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Wed, 7 Jan 2015 00:58:31 -0800
Subject: [PATCH] GBA Memory: Filter out top nybble of DMA addresses

---
 CHANGES              | 1 +
 src/gba/gba-memory.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 8fba79cc2..a7492c1a8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -25,6 +25,7 @@ Bugfixes:
  - GBA Audio: Fix GB audio channels being too quiet (fixes #159)
  - Qt: Fix a race condition when a game crashes immediately
  - Qt: Fix some cases where key mapping can break if focus is adjusted
+ - GBA Memory: Filter out top nybble of DMA addresses
 Misc:
  - Qt: Disable sync to video by default
  - GBA: Exit cleanly on FATAL if the port supports it
diff --git a/src/gba/gba-memory.c b/src/gba/gba-memory.c
index da0031c53..a7b71bb8d 100644
--- a/src/gba/gba-memory.c
+++ b/src/gba/gba-memory.c
@@ -972,12 +972,12 @@ void GBAAdjustWaitstates(struct GBA* gba, uint16_t parameters) {
 
 void GBAMemoryWriteDMASAD(struct GBA* gba, int dma, uint32_t address) {
 	struct GBAMemory* memory = &gba->memory;
-	memory->dma[dma].source = address & 0xFFFFFFFE;
+	memory->dma[dma].source = address & 0x0FFFFFFE;
 }
 
 void GBAMemoryWriteDMADAD(struct GBA* gba, int dma, uint32_t address) {
 	struct GBAMemory* memory = &gba->memory;
-	memory->dma[dma].dest = address & 0xFFFFFFFE;
+	memory->dma[dma].dest = address & 0x0FFFFFFE;
 }
 
 void GBAMemoryWriteDMACNT_LO(struct GBA* gba, int dma, uint16_t count) {