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