*20
	
/
/THIS OVERLAY DELETES THE FATN,
/FEXP,AND FLOG FUNCTIONS AND 
/DEFINES AN FZ FUNCTION TO DELETE
/OR RESTORE THE TTY INPUT ECHO.
/
/FZ=0--RESTORE ECHO
/FZ=1--DELETE ECHO
/
	PMODE
	*35
	XFZ-1		/BOTTOM
	*402		/DELETE:
	2725		/FATN
	2725		/FEXP
	2725		/FLOG
	*412
	XFZ		/INSERT FUNCTION IN TABL
	*2165
ECHOLC,	4551		/ECHO LOCATION
	*5153
XFZ,	JMS I 53
	SZA CLA
	JMP .+3
	TAD ECHO
	JMP .+2
	TAD NOECHO
	DCA I LCECHO
	CLA CLL
	JMP I 136	/EFUN31 EXIT
ECHO,	4551
NOECHO,	7000
LCECHO,	ECHOLC
	
	FIELD 1
	*1225
	1067
	*1247
	1173
	*1323
	6017
	LISTAP-7