From c01bc784b9e0edf73569be5c52529af56f892d8a Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Fri, 9 Oct 2020 22:21:55 -0400
Subject: [PATCH] Slightly reduces branching.

---
 Processors/6502/AllRAM/6502AllRAM.cpp             |  2 +-
 .../65816/Implementation/65816Implementation.hpp  | 15 +++------------
 2 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/Processors/6502/AllRAM/6502AllRAM.cpp b/Processors/6502/AllRAM/6502AllRAM.cpp
index cbd8e6b36..723bc98b6 100644
--- a/Processors/6502/AllRAM/6502AllRAM.cpp
+++ b/Processors/6502/AllRAM/6502AllRAM.cpp
@@ -11,7 +11,7 @@
 #include <algorithm>
 #include <cstring>
 
-#define BE_NOISY
+//#define BE_NOISY
 
 using namespace CPU::MOS6502;
 
diff --git a/Processors/65816/Implementation/65816Implementation.hpp b/Processors/65816/Implementation/65816Implementation.hpp
index 54fd9e835..4d567dd9f 100644
--- a/Processors/65816/Implementation/65816Implementation.hpp
+++ b/Processors/65816/Implementation/65816Implementation.hpp
@@ -185,21 +185,12 @@ template <typename BusHandler> void Processor<BusHandler>::run_for(const Cycles
 			continue;
 
 			case OperationCopyAToData:
-				if(m_flag()) {
-					data_buffer_.size = 1;
-					data_buffer_.value = a_.halves.low;
-				} else {
-					data_buffer_.size = 2;
-					data_buffer_.value = a_.full;
-				}
+				data_buffer_.value = a_.full & m_masks_[1];
+				data_buffer_.size = 2 - m_flag();
 			continue;
 
 			case OperationCopyDataToA:
-				if(m_flag()) {
-					a_.halves.low = data_buffer_.value;
-				} else {
-					a_.full = data_buffer_.value;
-				}
+				a_.full = (a_.full & m_masks_[0]) + (data_buffer_.value & m_masks_[1]);
 			continue;
 
 			case OperationCopyPBRToData: