From 7915657355c6745fc2aa36a8eef09ae1dd0dda94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Kujawa?= <radoslaw.kujawa@c0ff33.net>
Date: Wed, 25 Jan 2017 10:09:50 +0100
Subject: [PATCH] Add bit testing macro.

---
 src/rk65c02.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rk65c02.h b/src/rk65c02.h
index 8c748f8..265080b 100644
--- a/src/rk65c02.h
+++ b/src/rk65c02.h
@@ -33,6 +33,8 @@ struct reg_state {
 #define STACK_START 0x0100
 #define STACK_END 0x01FF
 
+#define BIT(val,n) ((val) & (1 << (n)))
+
 typedef struct reg_state reg_state_t;
 
 struct rk65c02emu {