diff --git a/logic.c b/logic.c
index 47ac14a..1bd09c3 100644
--- a/logic.c
+++ b/logic.c
@@ -17,14 +17,7 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 #include "logic.h"
-
-static int top( const int a, const int b ){
-	return a < b ? b : a;
-}
-
-static int bottom( const int a, const int b ){
-	return a < b ? a : b;
-}
+#include "macros.h"
 
 static int heightMask( const int a ){
 	return ( 1 << a ) - 1;
diff --git a/macros.h b/macros.h
index a364109..0326c6c 100644
--- a/macros.h
+++ b/macros.h
@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 #pragma once
 
+#define    top( a, b ) ( a < b ? b : a )
+#define bottom( a, b ) ( a < b ? a : b )
+
 #define XSTR(s) STR(s)
 #define STR(s) #s