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VT220 terminal emulation
The following table lists the keystroke mapping (encoding) for VT220 emulation.
VT220 Encoding
VT220 Keyboard PC Keyboard VT220 Keyboard Byte Sequence
Delete Delete Øx7F
Left Arrow Left Arrow Esc [ D
Right Arrow Right Arrow Esc [ C
Up Arrow Up Arrow Esc [ A
Down Arrow Down Arrow Esc [ B
Keypad / Keypad / /
Keypad * Keypad * *
Keypad - Keypad - -
Keypad + Keypad + +
Keypad . Keypad . .
Keypad Ø..9 Keypad Ø..9 Ø..9
F1 F1 Esc O P
F2 F2 Esc O Q
F3 F3 Esc O R
F4 F4 Esc O S
F6 F6 Esc [ 1 7 ~
F7 F7 Esc [ 1 8 ~
F8 F8 Esc [ 1 9 ~
F9 F9 Esc [ 2 Ø ~
F10 F10 Esc [ 2 1 ~
F11 F11 Esc [ 2 3 ~
F12 F12 Esc [ 2 4 ~
F13 Ctrl - F5 Esc [ 2 5 ~
F14 Ctrl - F6 Esc [ 2 6 ~
F15 Ctrl - F7 Esc [ 2 8 ~
F16 Ctrl - F8 Esc [ 2 9 ~
F17 Ctrl - F9 Esc [ 3 1 ~
F18 Ctrl - F10 Esc [ 3 2 ~
F19 Ctrl - F11 Esc [ 3 3 ~
F20 Ctrl - F12 Esc [ 3 4 ~