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REVISION.MCB
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1996-12-22
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MCBase: the Music Collection dataBase system.
Revision history
Author:
Harry Doldersum
Weerselose straat 26
7623 DA BORNE
The Netherlands, Europe.
Phone: +31 (0) 74 266 8480
Fax: See phone. Standby on request.
Host: See phone. Standby on request.
Electronic mail adresses:
CompuServe: 100270,2132
InterNet: 100270,2132@compuserve.com
MCBase revision history list:
Dec. 20th, '96 Updated version 2.3d to 2.3e: a maintenance release.
Minor change: a dialog box has been added, to draw the users
attention to the ORDER.MCB file, where the pricing and order
info can be found. Also, some minor modifications were made
on the documentation and support files.
Sep. 14th, '96 Updated version 2.3c to 2.3d: a maintenance release.
Major changes to the ordering information: a new (lower)
registration price (US$30) and a new distributor for the
United States (who is able to deliver from stock) have been
added. As a result of this, the registration and order
information has now been removed from the manual file and
has been relocated to the file ORDER.MCB (a copy of this
file, in WordPerfect version 5 format, has been added to the
MCB_WP5.LZH archive (see below) for your convenience). Also
a small modification to the disclaimer and a minor program
modification have been made.
May 7th, '96 Updated version 2.3b to 2.3c: a maintenance release.
Minor modifications to the license agreement.
Mar. 23rd, '96 Updated version 2.3a to 2.3b: a maintenance release.
Improved picklist functionality: under (very) rare
circumstances, it could occur that a picklist opened without
showing it's data.
Also added a new registration agent: Kelly Data GmbH in
Germany. (See our orderform for full details).
Mar. 5th, '96 Updated version 2.3 to 2.3a: a maintenance release.
MCBase's manual and revision document, which has always been
included as a disk file, are now available in two file
formats: in plain ASCII text format and in WordPerfect
version 5 format. As always, the ASCII version is installed
in the MCBase directory, while the WP version of these files
are stored on the MCBase Master Disk, in the archive file
MCB_WP5.LZH. (You may use included LHA archiver utility to
extract the documents from the archive).
Also made some minor extensions to the registration key
system.
Feb. 14th, '96 Updated version 2.2 to 2.3: a new release.
Improved the background functionality with which the memo
editor dialog is closed: under circumstances, it could occur
that not all record selection commands were re-instated when
closing the memo-editor in an unexpected manner.
Improved browse dialog functionality: when editing records,
picked from the browse dialog, it might occur that the user
deletes an entry. Since the browse dialog resides on the
desktop during these edit functions, it will still contain
that record (therefor: still available for selection). If
this record is re-selected, you will now be given a message
concerning the records "deleted"-status.
When (re-)invoking a browse dialog it will contain the valid
records only. (Undeleting a record is, of course, *always*
possible with the main edit dialogs (until the record is
physically removed by the "pack"-function)
In the protected mode version, memory usage for one of the
browse dialogs has been modified: now the picklist dialog
for "browse for songs by title" also uses virtual memory,
like all "edit & add..." picklist dialogs. (The other browse
dialogs still use ram memory only, since it is faster).
Motivation was, that (while browsing a large database set)
one could run out of memory on systems with only 2Mb EMS/XMS
memory.
Modified the behaviour of the "Device access error": it is
no longer a fatal error.
Nov. 23rd, '95 Updated version 2.1 to 2.2: a new release.
The "Browse for ..." picklists in the Protected Mode version
(MCB_X86P.EXE on your MCBase Master Disk) are now controlled
and loaded by index, instead of filtering the entire
database set for the matching data. On larger databases,
this results in a tremendous improvement on data access
time.
Due to memory shortage, this approach cannot be implemented
in the MCB_XT and MCB_AT executables.
Note: MCB_XT is a version for (fast) XT-systems, MCB_AT is a
version for AT-systems with less than 2Mb RAM memory
on board).
Also solved a problem with the picklists eventhandler, that
appeared to be unable to handle some special keys while
focusing on the picklist contents.
Nov. 6t, '95 Updated version 2.0a to 2.1: a new release.
Due to modifications in the default behaviour of the dBase
access routine library (HALCYON, by Griffin Solutions), the
FIND dialog would no longer position itself at the nearest
match, when an exact match could not be found, but
positioned itself at the end of file instead.
The FIND dialog is now restored to it's documented
behaviour: to position itself at the NEAREST MATCH, when an
exact match is not found.
Apart from the above, the default file search mask for the
editor object has been changed from "*.*" to "*.TXT".
Also an additional button has been added to the Browse
dialog, called "Song edit mode", that enables a direct
connection between the "Browse a song" dialog and the
"Edit/add a song" dialog. This allows you to switch freely
between browse and editing functions on song record level,
while carrying the currently browsed song with you to it's
edit dialog. This is very helpful, while editing songs that
are related to each other in some way: once they are
collected in a browse option's picklist, editing is just a
mouseclick away.
Unfortunately, the layout of the configuration file
MCBASE.CFG needed to be changed, in order to further
accomodate the ability to store desktop objects in the
configuration file. The user will therefor need to create a
new configuration file.
Then there also were some minor modifications.
Oct. 10th, '95 Updated version 2.0 to 2.0a: a maintenance release.
Minor modifications to the PACK routines, the picklist
dialogs and the documentation.
Added hotkeys to the memo selection dialogs, used by the
various "Browse..." options.
Added a routine to check (the first appearance of an)
"FILES=xx" setting in CONFIG.SYS. If the setting is found to
be to low, you will be notified about this, after which
MCBase terminates operation. (If MCBase is UNABLE to locate
your CONFIG.SYS file, you will receive a warning message
about this, after which MCBase will continue operation).
Aug. 17th, '95 MAJOR NEW RELEASE.
Release of the new MCBase V2.0: a fully event driven, mouse
controlled, object oriented, dBaseIII+ compatible,
relational-to-the-max, windowing database management system,
with handy dialogs, to set your personal configuration
preferences. The only REAL database system for the music
collector.
July 10th, '95 Updated version 1.1f to 1.1g: a maintenance release.
Modifications to registration key recognition routine.
Registration was recognized, but the databases evaluation
limits weren't correctly unlocked.
Mar. 22nd, '95 Updated version 1.1e to 1.1f: a maintenance release.
Documentation updates (and program changes, see below).
Added a new VendInfo record, according to the latest
standard, in order to comply with the new set-up for the ASP
CD-rom distribution.
Added a (file based) registration key system to MCBase. This
will enable a registered user, with a valid registration
key, to turn any V1.x shareware copy into a personally
registered version: MBase will look for the excistence of
the registration key file and will present itself as a
registered version *if* the registration key is found to be
valid. (If not, it will continue to behave as a shareware
copy).
Also added a small (set of) sample database(s), so that the
user will be able to "play around" with the system, without
having to enter data first.
May 25th, '94 Updated version 1.1d to 1.1e: a maintenance release.
Documentation updates (and program changes, see below).
Added a VendInfo record to the documentation and modified
the distribution-policy to be more "friendly".
Also added a possibility to accept credit card orders, using
PsL's order processing services.
Finally, I removed the encryption on MCBase's executable
code. As it seems, some computers COULD have had trouble
running MCBase because of this encryption.
Mar. 22nd, '94 Updated version 1.1c to 1.1d: a maintenance release.
Documentation updates (and small program changes) in order
to comply with ASP requirements.
Mar. 14th, '94 Updated version 1.1b to 1.1c: a maintenance release.
Corrected a SERIOUS error in the documentation, discribing
the locationcode.
For tapes, the first 5 (!) digits of the (12 digit)
locationcode are reserved for the actual tape number,
instead of the discribed 2 digits. (The screen report for
tapes is scanning for the first 5 digits, to find the first
and last entry belonging to a certain tape). See the updated
section 8 in the documentation for further information.
Also elimitated a possible GP-error in the protected mode
version.
Mar. 5th, '94 Updated version 1.1a to 1.1b: a maintenance release.
Modified all "Add" functions, to stay active until the user
decides that he/she is done. (Artist and Album "Add"
fuctions were left after adding 1 entry. This was based on
the idea that one would process the data one album at a
time).
Eliminated the possible occurance of an "error 100: Record
out of range" while printing the reports. (It could occur
under certain circumstances).
Eliminated a possible counting error in the "Artist
overview"-report.
Also made some minor modifications.
Jan. 7th, '94 Updated version 1.1 to 1.1a: a maintenance release.
As mentioned in the documentation of the previous versions
(in section "Future plans"), the processing speed of printer
option "Songs by artist" needed to be increased.
In this update, this processing speed has been successfully
increased to a normal level.
I've also included a function to cancel any running printjob
by pressing the ESCape-key.
Nov. 24th '93 Updated version 1.0c to 1.1, a major new release.
Eliminated the need for a pre-selection on databases with
more than 1000 entry's. (Credit for this goes to Griffin
Solutions, who managed to realize virtual memory usage in
their GS_dBase routine library: Thanks, Richard!).
The "Allfield Editor" is added to the application as a
standard item and also added is an separate "Append" option,
so a user does not need to go through the "Edit"-selection
list if he or she simply wants to "Append".
The menu structure has been a bit modified to accomodate the
above mentioned additions.
Also, the bank adress has been altered to the adress of the
Rabobank's headoffice in Utrecht.
Last, but not least, a new pricing schedule is introduced,
to enable a low-budget registration on the project. This is
done by the introduction of two diffent types of users: a
BASIC and a DEDICATED user, of wich the latter has a very
interesting discount on future updates. See the ORDER.MCB
document for further information on registration options and
prices.
Oct. 5th, '93 Updated version 1.0b to 1.0c, a maintenance release.
Eliminated two errors that occured in the album selection
list for option #7, "View albums by artists".
1) When returning from the reportscreen after viewing an
album (WITH the additional artistname display activated),
the program would generate a NEW album selection list for
the artistname that appeared on the bottom of the report
screen, instead of using the original artistname that was
selected by the user.
2) While walking through the albums of the different
artists, a heap error (#203) could occur. The memory of the
album selection list wasn't properly released.
Also eliminated an error in option #4, "Query on artist".
A messagebox, to allow albumtitle display with each song
title, sometimes appeared without a valid reason.
Last, but not least, I added the following text to the
ORDER.ME document, in order to prevent further questions on
the subject:
REGISTRED MCBASE USERS can receive MAINTENANCE UPDATES for
shipping costs only. (NOTE: CompuServe users can receive
their maintenance update through CompuServe mail, minimizing
the need for shipping costs, thus FOR FREE!).
(Same goes for users who can download it from my private
host system, wich is standby on request).
Aug. 19th, '93 Updated version 1.0a to 1.0b, a maintenance release.
Eliminated an error that could cause the system to be caught
in an endless loop, if the last record in a database file
was a "deleted" record.
Also improved some text in a messagebox, displayed while the
function "deleted" was processing the album database.
June 22nd, '93 Updated version 1.0 to 1.0a, a maintenance release.
Some reportscreens had a bit of trouble with uncleared
screens. The data from the previous information on the
screen was sometimes not fully erased, which garbled the new
information.
June 19th, '93 First release, version 1.0, of the MCBase database system.