From c0453ae2e840b6bf287f1d80f91f880ac1e7cead Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@zeromus.org>
Date: Tue, 30 Jul 2013 02:51:40 +0000
Subject: [PATCH] snes-fix SGB

---
 BizHawk.Emulation/Consoles/Nintendo/SNES/LibsnesApi.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/BizHawk.Emulation/Consoles/Nintendo/SNES/LibsnesApi.cs b/BizHawk.Emulation/Consoles/Nintendo/SNES/LibsnesApi.cs
index 74bcfa53a4..96d2c606e5 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/SNES/LibsnesApi.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/SNES/LibsnesApi.cs
@@ -947,7 +947,10 @@ namespace BizHawk.Emulation.Consoles.Nintendo.SNES
 
 			public void Allocate()
 			{
-				mmf = MemoryMappedFile.CreateNew(BlockName, Size);
+				//we can't allocate 0 bytes here.. so just allocate 1 byte here if 0 was requested. it should be OK, and we dont have to handle cases where blocks havent been allocated
+				int sizeToAlloc = Size;
+				if (sizeToAlloc == 0) sizeToAlloc = 1;
+				mmf = MemoryMappedFile.CreateNew(BlockName, sizeToAlloc);
 				mmva = mmf.CreateViewAccessor();
 				mmva.SafeMemoryMappedViewHandle.AcquirePointer(ref Ptr);
 			}