Mercurial > hg > Members > kono > nitros9-code
view level1/modules/rbdesc.asm @ 3130:e0614e08fa5e
l1 boot modules: Expand documentation and clean up code
Tidy up white-space and indentation.
Expand documentation to show C flag is important on return
from HWRead.
Expand documentation to show how/why/when filler is needed at
end of file.
Delete dead code in some places. No functional changes.
| author | Neal Crook <foofoobedoo@gmail.com> |
|---|---|
| date | Sun, 04 Dec 2016 21:01:42 +0000 |
| parents | e881994bfe30 |
| children | 4674aed99721 |
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******************************************************************** * rbdesc - Device Descriptor Template * * $Id$ * * Edt/Rev YYYY/MM/DD Modified by * Comment * 1/1 2013-12/10 Gene heskett * Raised default SAS to $10, shortens FD.SEG * usage for longer files * ------------------------------------------------------------------ nam rbdesc ttl Device Descriptor Template * Disassembled 98/08/23 17:09:41 by Disasm v1.6 (C) 1988 by RML ifp1 use defsfile endc tylg set Devic+Objct atrv set ReEnt+rev rev set $01 IFNDEF DNum DNum set 0 ENDC IFNE D35 Type set TYP.CCF+TYP.3 ELSE Type set TYP.CCF+TYP.5 ENDC IFNDEF Density Density set DNS.MFM ENDC IFNDEF Step Step set STP.6ms ENDC IFNDEF Cyls Cyls set 35 ENDC IFNDEF Sides Sides set 1 ENDC Verify set 1 IFNDEF SectTrk SectTrk set 18 ENDC IFNDEF SectTrk0 SectTrk0 set 18 ENDC IFNDEF Interlv Interlv set 3 ENDC IFNDEF SAS SAS set 10 ENDC mod eom,name,tylg,atrv,mgrnam,drvnam fcb DIR.!SHARE.!PEXEC.!PWRIT.!PREAD.!EXEC.!UPDAT. mode byte fcb HW.Page extended controller address fdb $FF40 physical controller address fcb initsize-*-1 initalization table size fcb DT.RBF device type:0=scf,1=rbf,2=pipe,3=scf fcb DNum drive number fcb Step step rate fcb Type drive device type fcb Density media density:0=single,1=double fdb Cyls number of cylinders (tracks) fcb Sides number of sides fcb Verify verify disk writes:0=on fdb SectTrk # of sectors per track fdb SectTrk0 # of sectors per track (track 0) fcb Interlv sector interleave factor fcb SAS minimum size of sector allocation initsize equ * IFNE DD name fcs /DD/ ELSE name fcs /RTST/ fcb '0+DNum+$80 ENDC mgrnam fcs /RBF/ drvnam fcs /rbtest/ emod eom equ * end