From 10d9cbdeb1a0eb6e86e26ba8f52d19ac4edb6d13 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Thu, 18 Oct 2018 21:48:37 -0400
Subject: [PATCH] Adds an extra LOG to track the memory map as a potential
 cause of emulation failure.

---
 Machines/MasterSystem/MasterSystem.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Machines/MasterSystem/MasterSystem.cpp b/Machines/MasterSystem/MasterSystem.cpp
index bc3306686..e2cb42463 100644
--- a/Machines/MasterSystem/MasterSystem.cpp
+++ b/Machines/MasterSystem/MasterSystem.cpp
@@ -173,6 +173,7 @@ class ConcreteMachine:
 						}
 
 						if(write_pointers_[address >> 10]) write_pointers_[address >> 10][address & 1023] = *cycle.value;
+						else LOG("Ignored write to ROM");
 					break;
 
 					case CPU::Z80::PartialMachineCycle::Input: