From e4acd0575d6d9f01be6b174d0967aeea7b6be783 Mon Sep 17 00:00:00 2001
From: Andrew Keeton <andrewrkeeton@gmail.com>
Date: Sun, 16 Nov 2014 21:14:23 -0500
Subject: [PATCH] Add EOR to execute_instruction().

---
 src/machine.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/machine.rs b/src/machine.rs
index 159206f..8b23bbf 100644
--- a/src/machine.rs
+++ b/src/machine.rs
@@ -220,6 +220,14 @@ impl Machine {
                 self.dec_x();
             }
 
+            (instruction::EOR, instruction::UseImmediate(val)) => {
+                self.exclusive_or(val);
+            }
+            (instruction::EOR, instruction::UseAddress(addr)) => {
+                let val = self.memory.get_byte(addr);
+                self.exclusive_or(val);
+            }
+
             (instruction::INC, instruction::UseAddress(addr)) => {
                  let m = self.memory.get_byte(addr);
                  let m = m + 1;