--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os9/level2/cmds/loop.asm	Thu Aug 02 08:30:39 2018 +0900
@@ -0,0 +1,46 @@
+********************************************************************
+* Cmp - Binary file comparison utility
+*
+* $Id$
+*
+* Edt/Rev  YYYY/MM/DD  Modified by
+* Comment
+* ------------------------------------------------------------------
+*   1      2003/01/20  Boisy G. Pitre
+* Rewritten in assembly for size.
+
+         nam   Cmp
+         ttl   Binary file comparison utility
+
+         ifp1
+         use   defsfile
+         endc
+
+* Module header definitions
+tylg     set   Prgrm+Objct   
+atrv     set   ReEnt+rev
+rev      set   $00
+edition  set   1
+
+         mod   eom,name,tylg,atrv,start,size
+
+         org   0
+count    rmb   2
+size     equ   .
+
+name     fcs   /Loop/
+         fcb   edition
+
+start    ldy   #4000
+l1       ldx   #0
+l0       leax  -1,x
+         bne   l0
+         leay  -1,y
+         bne   l1
+Exit     clrb
+         os9   F$Exit
+
+
+         emod
+eom      equ   *
+         end