Const
Alternate Screen Save Cursor Mode is a mode that saves the cursor position as in SaveCursorMode, switches to the alternate screen buffer as in AltScreenMode, and clears the screen on switch.
https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
Alternate Screen Save Cursor Mode is a mode that saves the cursor position as in SaveCursorMode, switches to the alternate screen buffer as in AltScreenMode, and clears the screen on switch.