VT220 Programmer Reference Manual| Chapter 3 | Contents |
| Control Character Mnemonic |
Code | Key Pressed with CTRL (All Modes) |
Dedicated Function Key |
|---|---|---|---|
| NUL | 0/00 | 2, space | |
| SOH | 0/01 | A | |
| STX | 0/02 | B | |
| ETX | 0/03 | C | |
| EOT | 0/04 | D | |
| ENQ | 0/05 | E | |
| ACK | 0/06 | F | |
| BEL | 0/07 | G | |
| BS | 0/08 | H | F12 (BS)* |
| HT | 0/09 | I | TAB |
| LF | 0/10 | J | F13 (LF)* |
| VT | 0/11 | K | |
| FF | 0/12 | L | |
| CR | 0/13 | M | RETURN |
| SO | 0/14 | N | |
| SI | 0/15 | O | |
| DLE | 1/00 | P | |
| DC1 | 1/01 | Q** | |
| DC2 | 1/02 | R | |
| DC3 | 1/03 | S** | |
| DC4 | 1/04 | T | |
| NAK | 1/05 | U | |
| SYN | 1/06 | V | |
| ETB | 1/07 | W | |
| CAN | 1/08 | X | |
| EM | 1/09 | Y | |
| SUB | 1/10 | Z | |
| ESC | 1/11 | 3,[ | F11 (ESC)* |
| FS | 1/12 | 4,/ | |
| GS | 1/13 | 5,] | |
| RS | 1/14 | 6,~ | |
| US | 1/15 | 7,? | |
| DEL | 7/15 | 8 | DELETE |
| * Keys F11, F12, and F13 generate these 7-bit control characters only when the terminal is operated in VT100 mode or VT52 mode. | |||
| ** These keystrokes are enabled only if XOFF support is disabled. If XOFF support is enabled, then CTRL-S is a "hold screen" local function and CTRL-Q is an "unhold screen" local function. | |||