diff --git a/src/burn/burn.h b/src/burn/burn.h
index f98a0922a..faa3b4343 100644
--- a/src/burn/burn.h
+++ b/src/burn/burn.h
@@ -464,6 +464,9 @@ void IpsApplyPatches(UINT8* base, char* rom_name);
 #define HARDWARE_SMS_MAPPER_CODIES						(0x01)
 #define HARDWARE_SMS_MAPPER_MSX							(0x02)
 #define HARDWARE_SMS_MAPPER_MSX_NEMESIS					(0x03)
+#define HARDWARE_SMS_MAPPER_KOREA    					(0x04)
+#define HARDWARE_SMS_MAPPER_KOREA8K 					(0x05)
+#define HARDWARE_SMS_MAPPER_KOREA16K 					(0x06)
 
 #define HARDWARE_SMS_GG_SMS_MODE						(0x2000)
 #define HARDWARE_SMS_DISPLAY_PAL						(0x4000)