#define XMS_FREEHMA 0x02\r
\r
#define XMS_GENABLEA20 0x03\r
#define XMS_GDISABLEA20 0x04\r
#define XMS_LENABLEA20 0x05\r
#define XMS_LDISABLEA20 0x06\r
#define XMS_FREEHMA 0x02\r
\r
#define XMS_GENABLEA20 0x03\r
#define XMS_GDISABLEA20 0x04\r
#define XMS_LENABLEA20 0x05\r
#define XMS_LDISABLEA20 0x06\r