.TITLE IAS PREFIX FILE
;
;	MODULE:	IAS PREFIX FILE - IASPRE
;
;	VERSION:	V001B
;
;	AUTHOR:		HILARY PIERCE
;
;	DATE:		19TH DECEMBER 1975
;
;
;	THIS FILE DEFINES THE SYMBOL 'IAS'.  ASSEMBLING THIS 
;	FILE WITH THOSE IAS MODULES ( EXCEPT EXEC MODULES) WHICH 
;	GENERATE DIFFERENT CODE FOR IAS AND RSX-11D IT CAUSES THE
;	IAS VERSION TO BE GENERATED.
;
IAS=0