A990 TOD patch file

PATCH README file:
 
(Instructions for installing the patch from this email follow)
 
 
************************************************************************
A990CLOCK    21 July 1997      Fixes SR# 5003-373456
 
21 Jul 1997  Fixes problem in the A990 TOD clock when rolling to the
             year 2000.
                                        fixed SR:     KPR:5003-373456
 
PROBLEM DESCRIPTION: The A990 Time of Day (TOD) clock does not support
                     century changes. However, the ReadA990Clock and
                     WriteA990Clock routines, used by the CLOCK program,
                     use an alarm register on the clock chip to preserve
                     the Century.  When the TOD clock rolls over to a
                     new century the register used by the ReadA990Clock
                     and WriteA990Clock routines is not incremented and
                     an erroneous time is reported.
 
---------------------------------------------------------------------------
INSTALLATION: 1) Make a copy of the files needed to link the CLOCK
                 program on the /scratch directory.
              
                 co /rte_a/clock.rel /scratch/@
                 co /rte_a/clock.lod /scratch/@
 
              2) Ensure that the patched version of the a990clock
                 routines (a990clock.rel) is also on the /scratch
                 directory.
 
              3) Modify the CLOCK.LOD file on the /scratch directory to
                 include relocating the updated a990clock routines.  The
                 file should appear as follows after the modification.
 
                 * Clock.lod 92570-17080 Rev.6200 <:00218.1455>
                 * Load file for the A990 Clock program
                 *
                 re clock.rel
                 re a990clock.rel
                 end
 
               4) Run Link to create the new CLOCK program.
 
                  wd /scratch
                  Link clock.lod /programs/clock.run
 
               *( For 6.1 versions of CLOCK, add SZ:+10 to runstring)
 
               Note: The use of this new version of the CLOCK
               program will not correct the TOD clock Century problem
               until being run the first time after the year 2000.  If
               you create new systems or relink the CLOCK program with
               the standard installation scripts be sure that this
               version gets installed on your programs directory.
 
               As an alternative, to ensure the above, you can place the
               a990clock.rel and the modified version of the clock.lod
               file from above in the /rte_a directory.  This would
               ensure that the proper version of CLOCK gets linked if
               the system is regenerated or if other systems are built
               using this directory.
 
 
FILES:    A990clock.read   (This file)
          A990clock.rel    Relocatable to be linked with CLOCK program
 
 
OS Revs Supported: 6.1, 6.2, 6.21
 
INSTALLATION RECOMMENDATION:  Install on A990 systems where year 2000
                              issues are a concern.
 
************************************************************************
 
 
To install from this email message, perform the following steps:
 
1) Save this email as an ASCII file, and put it on your HP1000.
 
 
2) EDIT the file and place the letter "b" in front of "egin" on the
   line below "cut here" (It was left out so that PC clients would NOT
   attempt to decode the file for you....
 
 
3)  Run uudecode to extract the binary file:
 
   CI> uudecode <file>     Where <file> is the file created in step 1
 
   This will create A990CLOCK.rel
 
   You can find UUDECODE in the /RTE_A/MAIL/ directory (5.2 and later
   and link it with the following command:
 
   CI> link uudecode.rel /programs/uudecode.run
 
   (Note: this step can also be performed on a UN*X machine and
    the .rel file then moved to the 1000 with ftp or tar.
    If using ftp, make sure to specify Binary transfer, and
    specify complete for the target namr:   A990CLOCK.REL:::5:5:128
 
4) Re-link the CLOCK program as follows:
 
   link: re,A990CLOCK.rel
   link: re,/RTE_A/CLOCK.rel
  *link: sz,+10  ** (FOR 6.1 system ONLY)
   link: en,/PROGRAMS/CLOCK.run
 
 
*****************************************************
INSERT 'b' ahead of 'egin' before decoding.
 
----------------- cut here ----------------------------------
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end