एएससीआई टेबल जनरेटर

0 (NUL) - Null character
7 (BEL) - Bell/Alert
8 (BS) - Backspace
9 (TAB) - Horizontal Tab
10 (LF) - Line Feed
13 (CR) - Carriage Return
27 (ESC) - Escape
32 (SP) - Space
127 (DEL) - Delete

32-47: Space, punctuation
48-57: Digits (0-9)
58-64: Punctuation
65-90: Uppercase (A-Z)
91-96: Punctuation
97-122: Lowercase (a-z)
123-126: Punctuation

A = 65 = 0x41 = 101 = 01000001
a = 97 = 0x61 = 141 = 01100001
0 = 48 = 0x30 = 060 = 00110000
Space = 32 = 0x20 = 040 = 00100000
! = 33 = 0x21 = 041 = 00100001

Upper/Lower case diff: 32
'A' + 32 = 'a'
ASCII '0' = 48
To convert digit: char - '0'
ASCII printable: 32-126
Extended ASCII: 128-255