+#define BDA_KBDFLAG_RSHIFT (1 << 0)
+#define BDA_KBDFLAG_LSHIFT (1 << 1)
+#define BDA_KBDFLAG_CTRL (1 << 2)
+#define BDA_KBDFLAG_ALT (1 << 3)
+#define BDA_KBDFLAG_SCROLL_ON (1 << 4)
+#define BDA_KBDFLAG_NUMLOCK_ON (1 << 5)
+#define BDA_KBDFLAG_CAPSLOCK_ON (1 << 6)
+#define BDA_KBDFLAG_INSERT_ON (1 << 7)
+#define BDA_KBDFLAG_RALT (1 << 8)
+#define BDA_KBDFLAG_LALT (1 << 9)
+#define BDA_KBDFLAG_SYSRQ (1 << 10)
+#define BDA_KBDFLAG_PAUSE (1 << 11)
+#define BDA_KBDFLAG_SCROLL (1 << 12)
+#define BDA_KBDFLAG_NUMLOCK (1 << 13)
+#define BDA_KBDFLAG_CAPSLOCK (1 << 14)
+#define BDA_KBDFLAG_INSERT (1 << 15)
+