Petmaster Superchip - Supersoft 1980 (Superchip-9000.bin)
Programmer's Toolkit - Palo Alto IC's 1979 (Toolkit-b000.bin)

I only ever used these as a pair launched with SYS 38027
If using Arrow as well, start this first with SYS 40960 then do SYS 38027

Superchip command summary:
	(	Use instead of STOP key (whilst IRQ vector $900F is active)
	RUN/STOP key works like a CTRL key

	Single key entry of most BASIC keywords: E.g.
		ctrl-G		GOTO
		ctrl-R		RETURN etc..

	RUN/STOP + SHIFT + key gives advanced screen editing functions:
		ctrl-sh-B	erase to beginning
		ctrl-sh-E	erase to end
		ctrl-DEL	delete line
		ctrl-INS	insert line
		ctrl-CURdown	scroll up
		ctrl-CURup	scroll down
		ctrl-0to9	scroll window
		ctrl-sh-G	toggle char set
		ctrl-"		escape (toggle " mode ?)
		ctrl-sh-T	retrace	(shows executed line number history)
		ctrl-RTN	hold (freeze scroll ?)
		ctrl-HOME	display message
		+ few others

Toolkit command summary:
	APPEND		Append to a tape file
	AUTO		Auto line number prompting for BSIC entry
	DELETE		?
	DUMP		Display BASIC variables
	FIND		?
	HELP		?
	OFF		Trace off ?
	RENUMBER	BASIC line renumberer. E.g. RENUMBER 10,10
	STEP		?
	TRACE		Log BASIC program path