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 ┋World!                                                                         x┋
A                                                                                     └┛ alt
S   3 ┋2                                                                              x┋
A                                                                                     └┛ alt
S   4 ┋3                                                                              x┋
A                                                                                     └┛ alt
S   5 ┋4                                                                              x┋
A                                                                                     └┛ alt
S   6 ┋5                                                                              x┋
A                                                                                     └┛ alt
S   7 ┋6                                                                              x┋
A                                                                                     └┛ alt
S   8 ┋7                                                                              x┋
A                                                                                     └┛ alt
S   9 ┋8                                                                              x┋
A                                                                                     └┛ alt
S  10 ┋9                                                                              x┋
A                                                                                     └┛ alt
S  11 ┋10                                                                             x┋
A                                                                                     └┛ alt
S  12 ┋11                                                                             x┋
A                                                                                     └┛ alt
S  13 ┋12                                                                             x┋
A                                                                                     └┛ alt
S  14 ┋13                                                                             x┋
A                                                                                     └┛ alt
S  15 ┋14                                                                             x┋
A                                                                                     └┛ alt
S  16 ┋15                                                                             x┋
A                                                                                     └┛ alt
S  17 ┋16                                                                             x┋
A                                                                                     └┛ alt
S  18 ┋17                                                                             x┋
A                                                                                     └┛ alt
S  19 ┋18                                                                             x┋
A                                                                                     └┛ alt
S  20 ┋19                                                                             x┋
A                                                                                     └┛ alt
S  21 ┋20                                                                             x┋
A                                                                                     └┛ alt
S  22 ┋21                                                                             x┋
A                                                                                     └┛ alt
S  23 ┋22                                                                             x┋
A                                                                                     └┛ alt
CSI Erase all
CSI Use normal screen buffer
CTRL restore cursor
S  24 ┋                                                                                ┋
A      └ carriage-return
CSI Normal cursor keys
CTRL Normal keypad
