From 5af00a8778b32730833fcc772ca510af607f603a Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Thu, 21 Apr 2016 23:44:57 -0700
Subject: [PATCH] GBA Memory: Fix executing code from OBJ region of VRAM

---
 CHANGES          | 1 +
 src/gba/memory.c | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 1337f2b1c..b593254f4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,6 +15,7 @@ Bugfixes:
  - GBA Serialize: Fix loading savegames from savestates
  - All: Fix several file handle leaks
  - Util: Use closesocket on Windows
+ - GBA Memory: Fix executing code from OBJ region of VRAM
 Misc:
  - GBA: Slightly optimize GBAProcessEvents
  - Qt: Add preset for DualShock 4
diff --git a/src/gba/memory.c b/src/gba/memory.c
index 1d3d87ff4..6b6f7b508 100644
--- a/src/gba/memory.c
+++ b/src/gba/memory.c
@@ -268,8 +268,13 @@ static void GBASetActiveRegion(struct ARMCore* cpu, uint32_t address) {
 		cpu->memory.activeMask = SIZE_PALETTE_RAM - 1;
 		break;
 	case REGION_VRAM:
-		cpu->memory.activeRegion = (uint32_t*) gba->video.renderer->vram;
-		cpu->memory.activeMask = 0x0000FFFF;
+		if (address < 0x06010000) {
+			cpu->memory.activeRegion = (uint32_t*) gba->video.renderer->vram;
+			cpu->memory.activeMask = 0x0000FFFF;
+		} else {
+			cpu->memory.activeRegion = (uint32_t*) &gba->video.renderer->vram[0x8000];
+			cpu->memory.activeMask = 0x00007FFF;
+		}
 		break;
 	case REGION_OAM:
 		cpu->memory.activeRegion = (uint32_t*) gba->video.oam.raw;