BREAK				Toggle case.
Shift-BREAK                     Toggle auto repeat.
Shift-TAB			Set TTY mode.
Control-TAB			Reset SSV.
Control-Shift-TAB		Jump to bootstrap at 40.
Control-Shift-ESC               Jump to overlaid program at 10000.
Control-6			~
Control-7			`
Control-8			{
Control-9			}
Control-0			|
Control-:			^
Control--			_
Control-;			@
Control-,			[
Control-.			]
Control-/			\