From 6294ecf64ba88d9ae27cbf2a63262a9ae18dcab4 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Fri, 27 Feb 2015 20:45:21 -0800
Subject: [PATCH] Prevent GE debugger crash on bad vertex addr.

---
 GPU/Common/DrawEngineCommon.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/GPU/Common/DrawEngineCommon.cpp b/GPU/Common/DrawEngineCommon.cpp
index 6d76cbc178..bf3f713d67 100644
--- a/GPU/Common/DrawEngineCommon.cpp
+++ b/GPU/Common/DrawEngineCommon.cpp
@@ -144,6 +144,9 @@ bool DrawEngineCommon::GetCurrentSimpleVertices(int count, std::vector<GPUDebugV
 	u16 indexLowerBound = 0;
 	u16 indexUpperBound = count - 1;
 
+	if (!Memory::IsValidAddress(gstate_c.vertexAddr))
+		return false;
+
 	bool savedVertexFullAlpha = gstate_c.vertexFullAlpha;
 
 	if ((gstate.vertType & GE_VTYPE_IDX_MASK) != GE_VTYPE_IDX_NONE) {