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Page A30 Appendix E Character Sets The following charts show the ordering of the two most common character sets: ASCII (American Standard Code for Information Interchange) and EBCDIC (Extended Binary Coded Decimal Interchange Code). The internal representation for each character is shown in decimal. For example, the letter A is represented internally as the integer 65 in ASCII and as 193 in EBCDIC. The blank character is denoted by a . Codes 0031 and 127 are the following nonprintable control characters: NUL Null character VT Vertical tab SYN Synchronous idle SOH Start of header FF Form feed ETB End of transmitted block STX Start of text CR Carriage return CAN Cancel ETX End of text SO Shift out EM End of medium EOT End of transmission SI Shift in SUB Substitute ENQ Enquiry DLE Data link escape ESC Escape ACK Acknowledge DC1 Device control one FS File separator BEL Bell character (beep) DC2 Device control two GS Group separator BS Back space DC3 Device control three RS Record separator HT Horizontal tab DC4 Device control four US Unit separator LF Line feed NAK Negative acknowledge DEL Delete
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