From 1abe3ae456e1dcf8084e8471a8872df4a76ee174 Mon Sep 17 00:00:00 2001
From: Adrian Conlon <Adrian.conlon@gmail.com>
Date: Sun, 12 Aug 2018 17:08:03 +0100
Subject: [PATCH] Adding a couple of const member accessors allows some event
 handlers to be marked const

Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
---
 inc/Bus.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/inc/Bus.h b/inc/Bus.h
index 6443955..9ee8f56 100644
--- a/inc/Bus.h
+++ b/inc/Bus.h
@@ -17,7 +17,10 @@ namespace EightBit {
 		Signal<EventArgs> ReadingByte;
 		Signal<EventArgs> ReadByte;
 
+		register16_t ADDRESS() const { return m_address; }
 		register16_t& ADDRESS() { return m_address; }
+
+		uint8_t DATA() const { return m_data; }
 		uint8_t& DATA() { return m_data; }
 
 		uint8_t peek() { return reference(); }