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Trailing-Edge - PDP-10 Archives - SRI_NIC_PERM_SRC_1_19910112 - 6-documentation/boot.doc
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  BOOT.DOC -- Changes to BOOT [version 10(201)]
  September 1984


  COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1976, 1984.
  ALL RIGHTS RESERVED.
  
  THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY  BE  USED  AND
  COPIED ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH
  THE INCLUSION OF THE ABOVE COPYRIGHT NOTICE.   THIS  SOFTWARE  OR
  ANY  OTHER  COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE
  AVAILABLE TO ANY OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE
  SOFTWARE IS HEREBY TRANSFERRED.
  
  THE INFORMATION IN THIS SOFTWARE IS  SUBJECT  TO  CHANGE  WITHOUT
  NOTICE  AND  SHOULD  NOT  BE CONSTRUED AS A COMMITMENT BY DIGITAL
  EQUIPMENT CORPORATION.
  
  DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF
  ITS SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
Changes to BOOT [version 10(201)]                     Page 2


1.0  NEW FUNCTIONALITY

The following new functions have been added to BOOT:

     1.  Subdirectory handling.   BOOT  will  now  load/dump
         from/to a subdirectory.

     2.  Dual-port  unlocking.    Previously,   BOOT   would
         unconditionally  grab a dual-ported RP04567 and not
         release it until the load or  dump  was  completed.
         Now,  it  is more polite, locking and unlocking the
         port for each  IO  transaction.   This  allows  the
         other  system to access the device when the port is
         unlocked.  In particular, one can now  interrupt  a
         load  or  dump  in  progress with ^\ and get to the
         RSX20F parser.   A  single  ^\  is  sufficient  (it
         requires  about  2-4  seconds to receive the parser
         prompt).

     3.  Single-pass loading.   BOOT  will  perform  only  a
         single  pass  to  load release 6 monitors.  It will
         still  perform  a  2-pass  load  on  pre-release  6
         monitors.

     4.  Long-file handling.  BOOT can now  load  a  monitor
         containing more than 512 pages.


  [End BOOT.DOC]