Added bits() macro - bits range mask.

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@159 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
22 years ago · e2528368b3
parent a8849ef4e0
commit e2528368b3
1 changed files with 1 additions and 0 deletions
--- a/include/common.h
+++ b/include/common.h
@ -52,5 +52,6 @@
 #endif

 #define	bit(x)		(1 << x)
+#define	bits(h,l)	(((1 << (h + 1)) - 1) & ~((1 << l) - 1))

 #endif /* COMMON_H */