User guide
Control Sequence Definition Encode/Decode
Esc [ ? 8 l                      Modes to Reset - Auto Repeat Off                      No/No                     
Esc [ ? 9 h                      Modes to Set - Interlace On                      No/No                     
Esc [ ? 9 l                      Modes to Reset - Interlace Off                      No/No                     
Esc [ 6 n                      Report Cursor Position - Invoked by                      No/No                     
Esc [ P1; Pc R                      Report Cursor Position - Response is                      No/No                     
Esc [ 5 n                      Status Report - Invoked by                      No/No                     
Esc [ 0 n                      Status Report - Response is terminal OK                      No/No                     
Esc [ 3 n                      Status Report - Response is terminal not OK                      No/No                     
Esc [ x or Esc [ 0 c                      What are you? Invoked by                      No/Yes                     
Esc [ ? 1; Ps c                      What are you? Response is                      No/Yes                     
Esc c                      Reset                      No/No                     
Esc # 8                      Fill screen with Es                      No/Yes                     
Esc [ 2; Ps y                      Invoke Test(s)                      No/No                     
VT220 terminal emulation
Table D.8 lists the keystroke mapping (encoding) for VT220 emulation.
Table D.8: VT220 Encoding
VT220 Keyboard PC Keyboard
VT220 Keyboard Byte
Sequence
Delete                      Delete                      0x7F                     
Left Arrow                      Left Arrow                      Esc [ D                     
Right Arrow                      Right Arrow                      Esc [ C                     
Up Arrow                      Up Arrow                      Esc [ A                     
Down Arrow                      Down Arrow                      Esc [ B                     
Appendices 433










