VT100 Control Codes
Control codes
CTRL (Control) – The CTRL key is used in conjunction with other keys on the keyboard to generate control codes. If the CTRL key is held down when any of the keys in Table 3-5 are typed, the code actually transmitted is in the range 000₈-037₈.
| Key Pressed with CTRL key down (shifted or unshifted) | Octal Code Transmitted | Function Mnemonic |
|---|---|---|
| Space Bar | 000 | NUL |
| A | 001 | SOH |
| B | 002 | STX |
| C | 003 | ETX |
| D | 004 | EOT |
| E | 005 | ENQ |
| F | 006 | ACK |
| G | 007 | BELL |
| H | 010 | BS |
| I | 011 | HT |
| J | 012 | LF |
| K | 013 | VT |
| L | 014 | FF |
| M | 015 | CR |
| N | 016 | SO |
| O | 017 | SI |
| P | 020 | DLE |
| Q | 021 | DC1 or XON |
| R | 022 | DC2 |
| S | 023 | DC3 or XOFF |
| T | 024 | DC4 |
| U | 025 | NAK |
| V | 026 | SYN |
| W | 027 | ETB |
| X | 030 | CAN |
| Y | 031 | EM |
| Z | 032 | SUB |
| [ | 033 | ESC |
| \ | 034 | FS |
| ] | 035 | GS |
| ~ | 036 | RS |
| ? | 037 | US |