18 #define b00000000 0x00
19 #define b00000001 0x01
20 #define b00000010 0x02
21 #define b00000011 0x03
22 #define b00000100 0x04
23 #define b00000111 0x07
24 #define b00001000 0x08
25 #define b00001111 0x0f
26 #define b00010000 0x10
27 #define b00011111 0x1f
28 #define b00100000 0x20
29 #define b00111111 0x3f
30 #define b01000000 0x40
31 #define b01111111 0x7f
32 #define b10000000 0x80
33 #define b10111111 0xbf
34 #define b11000000 0xc0
35 #define b11011111 0xdf
36 #define b11100000 0xe0
37 #define b11101111 0xef
38 #define b11110000 0xf0
39 #define b11110111 0xf7
40 #define b11111000 0xf8
41 #define b11111011 0xfb
42 #define b11111100 0xfc
43 #define b11111101 0xfd
44 #define b11111110 0xfe
45 #define b11111111 0xff