CTRL Use alt charset
CTRL save cursor
CSI Use alternate screen buffer
CSI set scrolling region 1-24
S  -1 ┋                                                                                ┋
A      └ normal
CSI Reset Replace mode
CSI Erase all
S   2 ┋Hello                                                                          x┋
A                                                                                     └┛ alt
S   3 ┋World!                                                                         x┋
A                                                                                     └┛ alt
S   4 ┋2                                                                              x┋
A                                                                                     └┛ alt
S   5 ┋3                                                                              x┋
A                                                                                     └┛ alt
S   6 ┋4                                                                              x┋
A                                                                                     └┛ alt
S   7 ┋5                                                                              x┋
A                                                                                     └┛ alt
S   8 ┋6                                                                              x┋
A                                                                                     └┛ alt
S   9 ┋7                                                                              x┋
A                                                                                     └┛ alt
S  10 ┋8                                                                              x┋
A                                                                                     └┛ alt
S  11 ┋9                                                                              x┋
A                                                                                     └┛ alt
S  12 ┋10                                                                             x┋
A                                                                                     └┛ alt
S  13 ┋11                                                                             x┋
A                                                                                     └┛ alt
S  14 ┋12                                                                             x┋
A                                                                                     └┛ alt
S  15 ┋13                                                                             x┋
A                                                                                     └┛ alt
S  16 ┋14                                                                             x┋
A                                                                                     └┛ alt
S  17 ┋15                                                                             x┋
A                                                                                     └┛ alt
S  18 ┋16                                                                             x┋
A                                                                                     └┛ alt
S  19 ┋17                                                                             x┋
A                                                                                     └┛ alt
S  20 ┋18                                                                             x┋
A                                                                                     └┛ alt
S  21 ┋19                                                                             x┋
A                                                                                     └┛ alt
S  22 ┋20                                                                             x┋
A                                                                                     └┛ alt
S  23 ┋21                                                                             x┋
A                                                                                     └┛ alt
S  24 ┋22                                                                            x ┋
A      ···············································································└ backspace
A                                                                                    └┛ alt
A      ···············································································└ backspace
CSI Set Replace mode
S  24 ┋                                                                                ┋
CSI Reset Replace mode
S  24 ┋                                                                                ┋
A      ···············································································└ carriage-return
CSI Erase all
CSI Use normal screen buffer
CTRL restore cursor
S  24 ┋                                                                                ┋
A      └ carriage-return
CSI Normal cursor keys
CTRL Normal keypad
