+/* experimental cmds */
+#define DISPLAY_SET_READ_MODIFY_WRITE DISPLAY_CMD=0xe0;
+#define DISPLAY_UNSET_READ_MODIFY_WRITE DISPLAY_CMD=0xee;
+
+/* display api specific defines */
+#define DISPLAY_FILL_W 0x00
+#define DISPLAY_FILL_LG 0x01
+#define DISPLAY_FILL_DG 0x02
+#define DISPLAY_FILL_B 0x03
+
+