BYTE IPNAM(4,NMPLAN)	!PLANE NAME
	BYTE IPTYP(NMPLAN)	!PLANE TYPE
	BYTE IPFLG(NMPLAN)	!PLANE FLAG BYTE
	BYTE IPDEF(NMPLAN)	!PLANE-DEFINED FLAG
	INTEGER IPNUM(NMPLAN)	!NUMBER OF PINS IN THE PLANE
	INTEGER IPLOC(NMPLAN)	!LOCATION OF PLANE IN SPACING TABLE
	INTEGER IPENT(NMPLAN)	!INTERNAL CHIP NUMBER OF THE PLANE
	COMMON / PLAIN / IPNUM,IPLOC,IPENT,IPNAM,IPTYP,IPFLG,IPDEF
C