C
C
C
C            COPYRIGHT (c) 1977 BY
C    DIGITAL EQUIPMENT CORPORTATION, MAYNARD, MASS.
C   
C  THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
C  ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
C  INCLUSION OF THE  ABOVE COPYRIGHT NOTICE.  THIS  SOFTWARE OR ANY OTHER
C  COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE  MADE AVAILABLE TO ANY
C  OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
C  TRANSFERRED.
C 
C  THE INFORMATION IN THIS  SOFTWARE IS SUBJECT TO CHANGE  WITHOUT NOTICE
C  AND  SHOULD  NOT  BE  CONSTRUED AS A COMMITMENT BY  DIGITAL  EQUIPMENT
C  CORPORATION.
C 
C  DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
C  SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
C 
C 
C 
C
C
C
C
C
C   ++++++++++++++++++++++++++++++++++++++++++++++++++
C   +                                                +
C   +            CALC    VERSION  X01-01             +
C   +                                                +
C   +  PETER BAUM  1-SEP-77                          +
C   +  DIGITAL EQUIPMENT CORPORATION                 +
C   +  146 MAIN STREET                               +
C   +  MAYNARD, MASSACHUSETTS  01754                 +
C   +                                                +
C   ++++++++++++++++++++++++++++++++++++++++++++++++++
C
C
C
C **************************************************
C *                                                *
C *         SUBROUTINE  ZERO                       *
C *                                                *
C **************************************************
C
C
C
C  ZEROS OUT ALL VARIABLES EXCEPT %
C
C
C ZERO CALLS IABS
C
C
C ZERO IS CALLED BY CMND
C
C
C
C   VARIABLE    USE
C
C      I      POINTS TO VARIABLE
C      J      INDEXES DOWN ELEMENTS OF A VARIABLE
C
C
C
	SUBROUTINE ZERO
C
	INTEGER  TYPE(27),VLEN(9)
C
	LOGICAL*1  VBLS(100,27)
C
	COMMON  /V/TYPE,VBLS,VLEN
C
C
C
	DO 1 I=1,26
	TYPE(I)=IABS(TYPE(I))
	DO 1 J=1,100
1	VBLS(J,I)=0
	RETURN
	END