From faa67028ce45edcc3f23e7e1a7f5ca21ee0d25cf Mon Sep 17 00:00:00 2001
From: gibbed <rick@gibbed.us>
Date: Sun, 27 Oct 2013 18:43:57 -0700
Subject: [PATCH] Mystery GPU registers.

---
 src/xenia/gpu/graphics_system.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/xenia/gpu/graphics_system.cc b/src/xenia/gpu/graphics_system.cc
index 45ef056fd..5f0df17d9 100644
--- a/src/xenia/gpu/graphics_system.cc
+++ b/src/xenia/gpu/graphics_system.cc
@@ -143,8 +143,12 @@ uint64_t GraphicsSystem::ReadRegister(uint32_t addr) {
   RegisterFile* regs = driver_->register_file();
 
   switch (r) {
+  case 0x6530: // ????
+    return 1;
   case 0x6544: // ? vblank pending?
     return 1;
+  case 0x6584: // ????
+    return 1;
   }
 
   XEASSERT(r >= 0 && r < kXEGpuRegisterCount);