From a0ad2d47be1376daca9812e385af066b421e9483 Mon Sep 17 00:00:00 2001
From: Andrew Keeton <andrewrkeeton@gmail.com>
Date: Thu, 6 Nov 2014 19:50:35 -0500
Subject: [PATCH] Add BEQ to execute_instruction().

---
 src/machine.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/machine.rs b/src/machine.rs
index d36b3e0..5372e3d 100644
--- a/src/machine.rs
+++ b/src/machine.rs
@@ -122,6 +122,12 @@ impl Machine {
                 self.branch_if_carry_set(addr);
             }
 
+            (instruction::BEQ, instruction::UseRelative(rel)) => {
+                let addr = self.registers.program_counter
+                         + AddressDiff(rel as i32);
+                self.branch_if_equal(addr);
+            }
+
             (instruction::BIT, instruction::UseAddress(addr)) => {
                 let a: u8 = self.registers.accumulator as u8;
                 let m: u8 = self.memory.get_byte(addr);