ESCAPE CODES
============

note: these will all omit the leading ESC[
https://vt100.net/docs/vt100-ug/chapter3.html

H		reposition cursor @ 1,1
${row};${col}H	reposition cursor @ ${row},${col}
J		erase-in-display
	0: cursor to end of screen
	1: up to cursor
	2: whole screen
K		erase-in-line
	0: (default) to the right of the cursor
	1: to the left of the cursor
	2: whole line
h		set mode
l		reset mode
	modes:
		?25	hide cursor feature
~		special keys?
	5: pgup
	6: pgdn