( scratchpad - auto ) d1 16 reverse-table rtable. 0000 0 = 00 0001 0 = 00 0010 0 = 00 0011 0 = 00 0100 1 = 010 0101 1 = 010 0110 2 = 011 0111 2 = 011 1000 3 = 100 1001 3 = 100 1010 4 = 101 1011 4 = 101 1100 5 = 110 1101 5 = 110 1110 6 = 1110 1111 7 = 11110 8 = 111110 9 = 1111110 10 = 11111110 11 = 111111110 12 = 1111111110