From 0219c6b1250086b9828000fee45d7f7146ce6139 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Tue, 24 Dec 2019 11:30:46 +0100
Subject: [PATCH] more defines

---
 include/common.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/common.h b/include/common.h
index 627846ff2..653000409 100644
--- a/include/common.h
+++ b/include/common.h
@@ -141,4 +141,10 @@ extern int DBGLEVEL;
 # define DEC2BCD(dec) HornerScheme(dec, 10, 0x10)
 #endif
 
+// bit stream operations
+#define TEST_BIT(data, i) (*(data + (i / 8)) >> (7 - (i % 8))) & 1
+#define SET_BIT(data, i)   *(data + (i / 8)) |= (1 << (7 - (i % 8)))
+#define CLEAR_BIT(data, i) *(data + (i / 8)) &= ~(1 << (7 - (i % 8)))
+#define FLIP_BIT(data, i)  *(data + (i / 8)) ^= (1 << (7 - (i % 8)))
+
 #endif