1VAL (01, 0x0) 2VAL (02, 0x1) 3VAL (03, 0x3f) 4VAL (04,-0x3f) 5VAL (07, 0x40) 6VAL (08,-0x40) 7VAL (10,-0x1) 8VAL (12, 0x3f) 9VAL (13,-0x3f) 10VAL (14, 0x7f) 11VAL (15,-0x7f) 12 13