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HPAPPA30.DOC

  NOTICE: Program HPAPPA.LIB and documentation HPAPPA30.DOC are
          copyright (C) 1995-96 Ludvik Krulik, all rights reserved.

          This version of HPAPPA is NOT public domain or free
          software, but is being distributed as SHAREWARE.

          You are granted a limited license to use this shareware for
          a two week evaluation period. If after the two week
          evaluation period you determine that HPAPPA meets your
          needs, you are required to register HPAPPA.

          If you distribute this software to others, you are required
          to distribute the entire unmodified package (ZIP file).
          Commercial use of this material is not allowed without prior
          permission from the author.


  WARRANTY:  Following library works ONLY on G/GX series HP48
             calculators. It contains unsupported code. Even though it
             has been extensively tested on various ROM revisions,
             USE AT YOUR OWN RISK.

             THIS SOFTWARE IS PROVIDED WITHOUT ANY WARRANTY. AUTHOR
             SHALL NOT BE LIABLE FOR ANY DAMAGES RESULTING FROM THE
             USE OF THIS SOFTWARE, INCLUDING BUT NOT LIMITED TO, LOSS
             OF PROFIT, DATA OR USE OF THE SOFTWARE, OR INDIRECT,
             SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR OTHER
             SIMILAR CLAIMS.


  NOTE TO HACKERS: This program is shareware. If you can take it apart
                   and remove shareware pause, keep this to yourself.


             If you have any questions, suggestions or bug reports,
             e-mail me at Ludvik.Krulik@snet.fer.uni-lj.si





    1. Overview

       HPAPPA v3.0 = Improved HP48 APPointment Alarms.
       * Adds improved appointment alarms in addition to built-in.
       * Appointment components: message, date/time, time of warning,
         repeat interval of warning.
       * Contains alarm browser that supports normal and appointment
         alarms.
       * Link to HPCALENDAR library (1500) v3.0 OR HIGHER.
       * WORKS >ONLY< WITH HPSTACK LIBRARY (1502) v3.0 OR HIGHER!

       HPAPPA doesn't contain any visible commands except
       ABOUT. It is utilized by HPSTACK library (1502).

       IF YOU DO NOT HAVE HPSTACK v3.0 OR HIGHER INSTALLED, YOU WILL
       HAVE NO USE OF THIS LIBRARY WHATSOEVER.





    2. Using HPAPPA library

    2.1 Appointment alarm

       'Appointment alarm' in this context refers to an alarm that has
       A LIST FOR AN ACTION. The list contains message, time and date
       of an appointment and a flag.

       You cannot execute this type of alarm outside HPSTACK.
       Executing it outside HPSTACK would simply put the list on the
       stack.



    2.2 Running HPAPPA

      * Install library in one of HP's ports.
      * Make sure that HPSTACK is running.
      * Press RightShift+4.

        Following launch box comes up:
        +------------------+
        | Browse alarms... |
        | Set appointment  |
        | Set alarm..."    |
        | Set time, date...|
        +------------------+



    2.3 Setting appointment

        Press:
          * RightShift+4 and select "Set appointment" or       _
          * RightShift+4, select "Browse alarms..." and press [ APP ]
            menu key.

        Input form field groups (see also help on the bottom of the
        input form):

        - appointment message,
        - date: day, moth, year;
        - time: hour, minute, format;
        - time of warning: number of units, unit;
        - repeat interval of warning: interval, unit.

        Notes:
          * If you have HPCALENDAR library (1500) installed, you can
            access it by pressing [CALE] menu key. HPCALENDAR will
            automatically set date if you exit through [v'''] or
            ENTER.
          * Repeat interval is rounded to integer part.



    2.4 Browsing through alarms

        Press RightShift+4 and select "Browse alarms...". This runs
        alarm browser which also recognizes new type of alarm. A small
        "A" is displayed in front of the message to indicate
        appointment alarm.

        ! Note: Time and date displayed in browser line for
                appointment alarm are not time and date of actual
                alarm, but rather time and date of an appointment.
                (taken from the list)

        Menu keys:
          - [EDIT] runs "EDIT APPOINTMENT" or "EDIT ALARM" input form,
                   depending on the type of alarm selected.
          - [APP ] runs "SET APPOINTMENT" input form. (see 2.3)
          - [ALAR] runs "SET ALARM INFORM" input form. (built-in)
          - [PURG] purges selected alarm.
          - [VIEW] shows selected alarm's action/message.
          - [EXIT] or
            [CALE] if you have HPCALENDAR library (1500) installed.

                   Runs HPCALENDAR with marked selected alarm's date.
                   If you exit calendar through ENTER or [v'''] key,
                   browser will select first alarm due after exit
                   date.

                   ! Note: Since I used FINDALARM, selection may not
                           be very accurate for appointments. This is
                           because FINDALARM searches through warning
                           times and not actual appointment times. If
                           the first warning falls on a different date
                           than appointment itself, browser will
                           highlight it, even though it does not match
                           exit date from calendar. However, this
                           should not present a problem if you use
                           relatively small warning times (few
                           minutes/hours).



    2.5 As appointment alarm goes off

       As appointment alarm goes off:
         * You can press any key once to acknowledge and delete it.
         * You can press any key twice (you have to be quite fast -
           second keystroke within a second from first - and hold it
           down the second time until you hear a beep) to reschedule
           alarm. The new alarm will go off at the time of an
           appointment and won't be repeated. This feature is useful
           if you have a very early warning and don't want to be
           bothered again before the appointment.

         * If you're not around to acknowledge appointment alarm even
           at the last warning, alarm will be deleted. You will, of
           course, be notified.



    2.6 Customizing HPAPPA

       You can supply your own values for "SET APPOINTMENT" input form
       'time of warning: number of units' and 'repeat interval of
       warning: interval' fields instead of default 0 and 0. To do so:
         - enter hidden directory, (in HPSTACK, press LeftShift+VAR
           and [->HDIR])

         - put a list containing two real numbers on stack, (time and
           repeat interval)

         - put 'HPAPPApar' variable name on stack,

         - press STO,

         - press HOME to get out of hidden directory.

       To return to default values, simply purge 'HPAPPApar' variable.
       Be sure not to purge something else in hidden directory.


       Example: You want "SET APPOINTMENT" input form to start with 30
                minutes early warning and 10 minutes interval.

                Solution:

                * Enter hidden directory,
                * 4:
                  3:
                  2:            { 30 10 }
                  1:           'HPAPPApar'
                * press STO,
                * press HOME.





    3. Calling HPAPPA from other applications

      From User RPL:
        * Execute "SET APPOINTMENT" inform: << #5E0001h LIBEVAL DROP >>
        * Execute browser: << #5E0002h LIBEVAL >>

      From System RPL:
        * Execute "SET APPOINTMENT" inform: :: ROMPTR 5E0 001 DROP ;
        * Execute browser: :: ROMPTR 5E0 002 ;





    4. Credits

      Thanks to the following people for suggestions and beta testing:

        Francois Vignon (100333.700@compuserve.com)
        Andrej Sila (asil@ltk6.fer.uni-lj.si)
        Erik Wever (ew@p20.wharfrat.fido.de)
        Makoto Miyamoto (Makoto.Miyamoto@rz.ruhr-uni-bochum.de)





    5. Information about library

       - Version: 3.0
       - Library ID: 1504
       - Size: 3058.0 bytes
       - Checksum: #2D34h





    6. Registering information

      If you decide to register this program, you will
        * receive the latest version without "SHAREWARE PAUSE" message
          via Internet e-mail, uuencoded.
        * receive future upgrades free of charge via Internet e-mail,
          uuencoded.

      You can register more than one program.
      If you decide to register three or more, registration fee is for
      three programs only.

      Payment method: In cash, US$ only.

      Registration form:
=====================================================================

  TO:                                     Date: _____________________
             Ludvik Krulik
             Sela 49a, 8257 DOBOVA
             SLOVENIA
             Ludvik.Krulik@snet.fer.uni-lj.si
  FROM:
        Name: _______________________________________________________

     Address: _______________________________________________________

     Country: _______________________________________________________

     Internet E-mail address (obligatory) :

     ________________________________________________________________

  ORDER:

     HPTODO v3.0 ........................................ (5 US$) [ ]
     HPAPPA v3.0 ........................................ (5 US$) [ ]
     HPCALENDAR v3.0 .................................... (5 US$) [ ]
     HPLOCK v3.0 ........................................ (5 US$) [ ]
     HPPORT v3.0 ........................................ (5 US$) [ ]
     ================================================================
     TOTAL (three if more than three checked)..............__ x 5 US$

=====================================================================

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