From bebc68539b385ed52c9daa6a0ad1fb530d743a83 Mon Sep 17 00:00:00 2001
From: Adrian Conlon <Adrian.conlon@gmail.com>
Date: Sat, 10 Mar 2018 10:53:11 +0000
Subject: [PATCH] Correct sneaky reference passing in heavily used method. 
 (~205Mhz emulated speed)

Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
---
 Z80/inc/Z80.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Z80/inc/Z80.h b/Z80/inc/Z80.h
index 4c0ea63..62d3e7a 100644
--- a/Z80/inc/Z80.h
+++ b/Z80/inc/Z80.h
@@ -185,7 +185,7 @@ namespace EightBit {
 			UNREACHABLE;
 		}
 
-		uint8_t R2(int r, const uint8_t& a) {
+		uint8_t R2(int r, uint8_t a) {
 			ASSUME(r >= 0);
 			ASSUME(r <= 7);
 			switch (r) {