C****************************************************************
C* 								*
C*								*
C*	DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY *
C*	EITHER FOR THE CREATION OR FOR THE CLINICAL EFFICACY	*
C*	OF THIS PROGRAM. USERS MUST ASSUME FULL RESPONSIBILITY	*
C*	FOR ANY RESULTS OR DIAGNOSES OBTAINED FROM THE USE	*
C*	OF THIS PROGRAM. QUESTIONS ON THE EXECUTION OF THIS	*
C*	PROGRAM MUST BE REFERRED BACK TO THE ORIGINAL AUTHOR.	*
C*								*
C* AUTHOR:	SALLY FORSTER					*
C*		C/O DEPARTMENT OF NUCLEAR MEDICINE		*
C*		GUY'S HOSPITAL				*
C*		LONDON, ENGLAND					*
C*								*
C*		TEL: 01-407-7600 EXT 2583/4			*
C*								*
C****************************************************************
	FUNCTION NAMEMC(K,J)
C*****TAKES SIX CHARACTERS FROM THE INPUT STREAM AND RETURNS A MACRO
C*****FILE NAME IN ANAME
C*****RETURNS NAMEMC=-1 IF THE CHARACTER STRING IA AN ILLEGAL 
C*****NAME I.E.NOT ONLY COMPRISED OF SPACES,ALPHABETIC AND NUMERIC
C*****K=2 THE CHAIN STREAM NAME IS USED AS THE INPUT STREAM
C*****AND NO CHECKING IS DONE TO THE LETTERS
	IMPLICIT LOGICAL*1(A)
	IMPLICIT INTEGER*2(D-Z)
	COMMON/MAC/AMACRO,AFLAG,ICM,ICN,ANAME(16),IREDNM(4)
	DIMENSION AEX(6),ADEV(3)
	COMMON/IN/NA,A(76),LP,ASEMIC,ASPACE
	COMMON/CH/F,ACHAIN(6)
	DATA IREDNM(1),IREDNM(4)/3RSY ,3RMCC/
	DATA AEX/'.','M','C','C',' ',' '/
	DATA ADEV/'S','Y',':'/
	IF(K.EQ.2)GOTO 30
C*****	ADD DEV NAME
	DO 1 I=1,3
1	ANAME(I)=ADEV(I)
	J=4
C*****CHECK FOR VALID CHARACTERS
	DO 10 I=LP,NA
	IF(A(I).EQ.ASPACE)GOTO 10
	IF(A(I).EQ.ASEMIC)GOTO 12
	IF(J.GT.9)GOTO 12
	IF(A(I).LT."60)GOTO 50
	IF(A(I).LT."71)GOTO 5
	IF(A(I).LT."100)GOTO 50
	IF(A(I).GT."132)GOTO 50
5	ANAME(J)=A(I)
C*****TRANSFER NAME TO ANAME
	J=J+1
10	CONTINUE
	IF(J.EQ.5)GOTO 50
	DO 14 I=J,9
14	ANAME(I)=ASPACE
	I=IRAD50(6,ANAME(4),IREDNM(2))
12	LP=I+1
	DO 15 I=1,4
15	ANAME(J+I-1)=AEX(I)
C*****ADD EXTENSION MCC
20	ANAME(J+4)=0
	NAMEMC=0
	RETURN
30	DO 35 I=1,6
35	ANAME(I)=ACHAIN(I)
	J=7
C*****CHAIN MACRO NAME
	GOTO 12
50	NAMEMC=-1
C*****INVALID CHARACTERS IN NAME
	RETURN
	END