--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os9/level2/d1.asm	Mon Jul 23 16:07:12 2018 +0900
@@ -0,0 +1,50 @@
+********************************************************************
+* progname - program module
+*
+* $Id: d0.asm,v 1.1 2002/06/14 12:35:43 roug Exp $
+*
+* Ed.    Comments                                       Who YY/MM/DD
+* ------------------------------------------------------------------
+*  -     Original Dragon Data distribution version
+*
+* $Log: d0.asm,v $
+* Revision 1.1  2002/06/14 12:35:43  roug
+* Add work done on ideal devices
+*
+*
+
+         nam   D1
+         ttl   40-track floppy disk device descriptor
+
+         ifp1
+         use   defsfile
+         endc
+tylg     set   Devic+Objct   
+atrv     set   ReEnt+rev
+rev      set   $02
+         mod   eom,name,tylg,atrv,mgrnam,drvnam
+         fcb   $FF mode byte
+         fcb   $00  extended controller address
+         fdb   $ffc0  physical controller address
+         fcb   initsize-*-1  initilization table size
+         fcb   $01 device type:0=scf,1=rbf,2=pipe,3=scf
+         fcb   $01 drive number
+         fcb   $00 step rate
+         fcb   $20 drive device type
+         fcb   $01 media density:0=single,1=double
+         fdb   $0100 number of cylinders (tracks)
+         fcb   $01 number of sides
+         fcb   $00 verify disk writes:0=on
+         fdb   $0012 # of sectors per track
+         fdb   $0012 # of sectors per track (track 0)
+         fcb   $01 sector interleave factor
+         fcb   $08 minimum size of sector allocation
+initsize equ   *
+name     equ   *
+         fcs   /D1/
+mgrnam   equ   *
+         fcs   /RBF/
+drvnam   equ   *
+         fcs   /PDisk/
+         emod
+eom      equ   *