US ASCII, ANSI X3.4-1986 (ISO 646 International Reference Version) Codes 0 through 31 and 127 (decimal) are unprintable control characters. Code 32 (decimal) is a nonprinting spacing character. Codes 33 through 126 (decimal) are printable graphic characters. Legend: Char The printed representation of the character, if any Dec The decimal code for the character Row/Col The decimal row/column repres