From d507c7df9d4caea409031114ca8416dc82ad5f69 Mon Sep 17 00:00:00 2001
From: Jean-Philip Desjardins <jean-philip.desjardins@polymtl.ca>
Date: Wed, 2 Jan 2019 21:32:11 -0500
Subject: [PATCH] Add some timer related constants.

---
 Source/ee/Timer.cpp | 10 +++++-----
 Source/ee/Timer.h   | 12 ++++++++++++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/Source/ee/Timer.cpp b/Source/ee/Timer.cpp
index 725dbd26..7d91c5a1 100644
--- a/Source/ee/Timer.cpp
+++ b/Source/ee/Timer.cpp
@@ -30,18 +30,18 @@ void CTimer::Count(unsigned int ticks)
 		uint32 nextCount = timer.nCOUNT;
 
 		uint32 divider = 1;
-		switch(timer.nMODE & 0x03)
+		switch(timer.nMODE & MODE_CLOCK_SELECT)
 		{
-		case 0x00:
+		case MODE_CLOCK_SELECT_BUSCLOCK:
 			divider = 1;
 			break;
-		case 0x01:
+		case MODE_CLOCK_SELECT_BUSCLOCK16:
 			divider = 16;
 			break;
-		case 0x02:
+		case MODE_CLOCK_SELECT_BUSCLOCK256:
 			divider = 256;
 			break;
-		case 0x03:
+		case MODE_CLOCK_SELECT_EXTERNAL:
 			divider = 9437; // PAL
 			break;
 		}
diff --git a/Source/ee/Timer.h b/Source/ee/Timer.h
index 26d9f5fd..382cd73b 100644
--- a/Source/ee/Timer.h
+++ b/Source/ee/Timer.h
@@ -10,6 +10,13 @@ class CTimer
 public:
 	enum
 	{
+		MODE_CLOCK_SELECT = 0x003,
+
+		MODE_CLOCK_SELECT_BUSCLOCK = 0x000,
+		MODE_CLOCK_SELECT_BUSCLOCK16 = 0x001,
+		MODE_CLOCK_SELECT_BUSCLOCK256 = 0x002,
+		MODE_CLOCK_SELECT_EXTERNAL = 0x003,
+
 		MODE_GATE_ENABLE = 0x004,
 
 		MODE_GATE_SELECT = 0x008,
@@ -28,6 +35,11 @@ public:
 		MODE_OVERFLOW_FLAG = 0x800,
 	};
 
+	enum REGISTER
+	{
+		T3_MODE = 0x10001810,
+	};
+
 	CTimer(CINTC&);
 	virtual ~CTimer() = default;