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-rw-r--r--src/arch/archbase.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/arch/archbase.h b/src/arch/archbase.h
index 824bebc..634efc3 100644
--- a/src/arch/archbase.h
+++ b/src/arch/archbase.h
@@ -71,7 +71,8 @@ typedef enum _MemoryDataSize
#define MDS_RANGE(mds) ((mds & 0xf) - 1)
-#define MDS_IS_SIGNED(mds) (mds & 0x80)
+#define MDS_SIGN 0x80
+#define MDS_IS_SIGNED(mds) (mds & MDS_SIGN)
#define MDS_FROM_BYTES(sz) \