[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	10/02/22 14:24:50

Modified files:
	cm3/m3-sys/m3back/src/: M3BackWord.m3 

Log message:
	"ToTargetInt" => "ZeroExtend"
	remove unused: LShift, RShift, Word, IByte, IBytes