diff --git a/src/burn/burn.h b/src/burn/burn.h
index ac218c196..895154999 100644
--- a/src/burn/burn.h
+++ b/src/burn/burn.h
@@ -468,6 +468,8 @@ void IpsApplyPatches(UINT8* base, char* rom_name);
 #define HARDWARE_SMS_MAPPER_KOREA8K 					(0x05)
 #define HARDWARE_SMS_MAPPER_KOREA16K 					(0x06)
 #define HARDWARE_SMS_MAPPER_4PAK     					(0x07)
+#define HARDWARE_SMS_MAPPER_XIN1     					(0x08)
+#define HARDWARE_SMS_MAPPER_NONE     					(0x0F)
 
 #define HARDWARE_SMS_GG_SMS_MODE						(0x2000)
 #define HARDWARE_SMS_DISPLAY_PAL						(0x4000)