A	error message string, temporary string
B	baud rate
C	temporary city code in PCPMAN
D	PCP outdial city code
E	RAS phone number
F	RAS system name, scratch sometimes

%a	area code of city currently connected to (or 0 if none)
%b	maximum baud rate
%c	current city selection (see PCPMAN.MEX menu)
%d	temporary variable
%e	max number of tries
%f	main area code
%g	alternate area code (or 0 if none)
%h	flag for "1" prefix requirement (0 if not required)
%i	
%j	
%k	
%l	
%m	menu selection
%n	stepdown mode ( 0 = manual, >0 = automatic )
%o	flag used to indicate current stepdown status (0 = no
        ..stepdown yet)
%p	number of city actually connected to
%q	
%r	count of number of rings detected
%s	default tries to connect to RAS
%t	default tries to connect to city
%u	flag to show intial attempt to connect to a city or RAS
%v	flag to show Vadic status ( >0 if modem in Vadic mode )
%w	cursor row
%x	loop index
%y	cursor column
%z	dummy counter