diff --git a/becker/becker.h b/becker/becker.h
index 557ca14c..74a05af6 100644
--- a/becker/becker.h
+++ b/becker/becker.h
@@ -1,6 +1,10 @@
 #ifndef __BECKER_H__
 #define __BECKER_H__
 
+#define bool int
+#define true 1
+#define false 0
+
 // functions
 void MemWrite(unsigned char,unsigned short );
 unsigned char MemRead(unsigned short );