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1994-01-26
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_________________________________________________________________
AViewCom.Exe Version 6.5b 01/25/94
Archive View to Console and Comm port
Copyright (C) 1989-1994 by Cygnus Data Systems
Daniel A. Durbin
_________________________________________________________________
AViewCom v6.5 1
Contents
--------
INSTALLATION . . . . . . . . . . . . . . . . 2
FILES. . . . . . . . . . . . . . . . . . . . 2
DISPLAY FILES. . . . . . . . . . . . . . . . 2
READING DOOR.SYS . . . . . . . . . . . . . . 3
ENVIRONMENT VARIABLES. . . . . . . . . . . . 3
DIRECTORIES. . . . . . . . . . . . . . . . . 3
MULTI-NODE SYSTEMS . . . . . . . . . . . . . 4
MULTITASKING SYSTEMS . . . . . . . . . . . . 4
RUNNING AVIEWCOM . . . . . . . . . . . . . . 4
SysOp COMMANDS . . . . . . . . . . . . . . . 5
ONLINE COMMANDS. . . . . . . . . . . . . . . 6
SYNTAX . . . . . . . . . . . . . . . . . . . 7
SETUP. . . . . . . . . . . . . . . . . . . . 10
COMM PORTS . . . . . . . . . . . . . . . . . 10
EXTRACTOR. . . . . . . . . . . . . . . . . . 10
ANSI COLOR . . . . . . . . . . . . . . . . . 10
PROTOCOL DEFINITION FILE . . . . . . . . . . 11
CONFIGURATION FILE . . . . . . . . . . . . . 12
PRIORITY . . . . . . . . . . . . . . . . . . 12
Update User's Information. . . . . . . . . . 12
Installing your Registration Number. . . . . 13
EXIT CODE. . . . . . . . . . . . . . . . . . 13
CREDITS & ACKNOWLEDGEMENTS . . . . . . . . . 13
DISCLAIMER . . . . . . . . . . . . . . . . . 14
BUGS and LIMITATIONS . . . . . . . . . . . . 14
FUTURE . . . . . . . . . . . . . . . . . . . 14
DESCRIPTION
-----------
AViewCom allows BBS callers to view archive contents while online,
read ASCII files within archives, and download any file from within an
archive. The ability to download files from within the archive is
useful when a caller wants to read a document file prior to
downloading the entire archive, or to retrieve one file that may have
been corrupted during a previous transfer. Callers may also create a
temporary archive containing any number of files from the original
archive. Aviewcom supports arj, arc, pak, zip, zoo, lzh, lha, and
some exe and com archives.
AViewCom is written specifically with WildCat BBS in mind since
WildCat has a [V]iew Archive file function in the files menu which
makes a call to an external arcview program and passes the caller's
specified filename to VIEWCOMP.BAT as a DOS parameter %1. However,
AViewCom may be used with other BBS's which do not pass a filename as
a DOS parameter. In this case, AViewCom may be run as a DOOR program.
In the batch file, simply replace the [filename] parameter with an
asterisk ('*'). AViewCom will then prompt the caller for the full
pathname to the archive file. A configuration file may be used to
specify directories to be searched for the file, so that only the
filename without the path need be specified.
AViewCom v6.5
AViewCom v6.5 2
INSTALLATION
------------
Make a subdirectory on your hard disk such as C:\WC30\AVIEWCOM and
extract the distribution archive into that subdirectory. Modify the
VIEWCOMP.BAT file to fit your configuration. Review the AVIEWCOM.CNF
file and its uses and delete it if not needed. If you're not running
WildCat, then modify it to include the sub-directories where you keep
the archives posted on your BBS. Review the AVIEWCOM.PRO file and
modify it as necessary. Make sure that all required archive utilities
(e.g. PKUNZIP, PKZIP, ARJ, LHA, PAK) and your file transfer protocols
(DSZ) are in a subdirectory which is included in your path statement
(e.g. C:\UTIL or C:\WC30\PROTOCOL and C:\WC30\UTIL).
FILES
-----
Included:
AVIEWCOM.CNF A sample configuration file
AVIEWCOM.DOC This file
AVIEWCOM.EXE The ArcView program
AVIEWCOM.HLP Displayed when caller requests [H]elp
AVIEWCOM.HST History of revisions
AVIEWCOM.BYE Displayed after ALT-G hot-key logoff
AVIEWCOM.PRO External Protocol Definition File
DIGIFONE.TXT A Telephone Answering System Ad
VIEWCOMP.BAT A sample batch file for WildCat
WHATSUP.DOC Information on the latest haps
ORDER.FRM Order Form
Not Included:
AVIEWCOM.SCR Welcome screen for ANSI callers
AVIEWCOM.BBS Welcome screen for MONO callers
AVIEWmmm.LOG Activity log for AVIEWCOM.EXE
AVIEWLST.nnn Temporary archive filename list
AVIEWnnn.??? Temporary archive used during downloading
AVIEWCOM.DAT Created and erased by AVIEWCOM.EXE
AVIEWCOM.STD Created when shelling to external programs
USERINFO.DAT Created by WildCat - update by AVIEWCOM.EXE
DOOR.SYS Created by WildCat - read by AVIEWCOM.EXE
The file AVIEWCOM.CNF is primarily intended for Non-Wildcat systems.
If you are entering all your options on the command line, then please
delete this file to prevent AViewCom from reading options from it.
DISPLAY FILES
-------------
You may use your editor to create the welcome screen files. AViewCom
will display the appropriate file depending on their color setting.
If they have color selected but the .SCR file does not exist, the .BBS
file will be displayed instead. AViewCom will expect to find these
files in its "home directory" which is where AVIEWCOM.EXE resides.
These files are not required, but if they exists, will be displayed.
AVIEWCOM.HLP Displayed when the caller requests [H]elp
AVIEWCOM.SCR Welcome screen, ANSI color version
AVIEWCOM.BBS Welcome screen, monochrome version
AViewCom v6.5
AViewCom v6.5 3
READING DOOR.SYS
----------------
AViewCom will read DOOR.SYS and USERINFO.DAT (registered version
only), which MUST be in the current directory. AViewCom will search
the current directory for DOOR.SYS and USERINFO.DAT. If you CD to any
other directory, you will need to copy these files to that directory
before calling AViewCom. The shareware version will not read the
DOOR.SYS file. You should however be able to use AViewCom normally.
If you are using a non-standard comm port, you may use the -i and -b
parameters to specify the comm port irq and base address.
ENVIRONMENT VARIABLES
---------------------
AViewCom needs more information than is provided in the DOOR.SYS and
USERINFO.DAT files. It reads from the environment:
WCPORTID=CommPort (Comm Port Number)
WCBASEID=CommBase (Comm Port Base Address)
WCIRQID=CommIRQ (Comm Port IRQ Number)
Information that is not available from DOOR.SYS, USERINFO.DAT, and the
environment include:
WCRATIO=UD Ratio Limit (Sec Level U/D Ratio Limit)
This is number of downloads divided by number of uploads. For
example, WCRATIO=20 would mean limit to 20 downloads for every upload.
DIRECTORIES
-----------
Because of the number of files AViewCom uses, it is suggested that
AViewCom reside in its own directory, although this is optional.
While in its own directory, it should be run from the main WildCat
directory, or from the node subdirectory for multi-node installations.
This is done by simply adding the full pathname to AViewCom in the
VIEWCOMP.BAT file. For example:
C:\WC30\AVIEWCOM\AVIEWCOM %1 COM1 -W
AViewCom is smart and knows which directory it is being run from and
will look in that directory for its operating files.
When AViewCom goes to extract files from archives, it will look in the
working directory to check if the filename already exists. If it
does, the file will not be extracted and the existing file will be
displayed. When done, the pre-existing file will not be deleted. The
best approach is to specify a temporary working directory which is
normally empty in which AViewCom can extract and display files which
will then be deleted when finished. The temporary working directory
is specified with the '-p' option on the command line. For example:
AVIEWCOM %1 COM1 -pC:\TEMP
Please note that the directory pathname immediately proceeds the -p
characters. You should make certain that the specified directory
actually exists.
AViewCom v6.5
AViewCom v6.5 4
MULTI-NODE SYSTEMS
------------------
WildCat places the DOOR.SYS file in the node subdirectory. Since
AViewCom expects to find this file in the current directory, you must
CD to the node directory in the VIEWCOMP.BAT file. You may keep the
VIEWCOMP.BAT file in the C:\WC30 directory and use the %WCNODEID%
environment variable in your CD statement to specify the appropriate
directory. For example:
CD C:\WC30\WCWORK\NODE%WCNODEID%
MULTITASKING SYSTEMS
--------------------
If your system is running a multitasking software, be especially aware
of memory requirements. The multitasker, BBS, AViewCom and the
extractor could all be resident simultaneously. AViewCom has been
known to lock up tight with the combination of newer versions of
DesqView, WildCat, AViewCom, and pkunzip. Older versions of DesqView
present no problem. There ARE several Multi-Node systems now running
under DesqView that use AViewCom successfully. If you are
experiencing difficulties, please review your setup, make sure you
have sufficient memory available to AViewCom, and try again. If you
still have trouble, check the DesqView message folder on the CatHouse
for current information regarding running under DesqView.
RUNNING AVIEWCOM
----------------
AViewCom may be run directly from the command line. Simply specify
the full pathname to the archive to be viewed (with no comm port
specified, AViewCom will default to the local mode). You should try
this before adding AViewCom to your BBS. The screen will clear and a
prompt appears for ANSI display, then the filename to view. After
answering, the contents of the archive will be displayed, and a
command line prompt will appear.
Then try adding it to your BBS. If you're using WildCat, modify your
VIEWCOMP.BAT file to read: AVIEWCOM %1 COM1 (or whatever comm port
you are using for your BBS). Once you're sure this is working okay,
you may add other options, such as reading caller information from the
DOOR.SYS (registered version only), a file which is created by Wildcat
when shelling to an archive viewer. Add the '-w' parameter to the
AViewCom command line. For example:
AVIEWCOM %1 COM1 -W
When using the -W parameter, AViewCom will read the WCBASEID and
WCIRQID from the environment and the COM1 on the command line serves
as a dummy variable which must still be present but will be ignored.
Notice that case is not significant in command line parameters. Once
all this is working, you may wish to further review the other options
that are available as specified in the SETUP section of this
documentation. If you have any trouble, start with things as simple
as possible. Then add options one at a time and verify that each is
working properly. Also, take time to read all options and review all
files included in this archive package.
AViewCom v6.5
AViewCom v6.5 5
Review the files included and delete ALL that are not applicable to
your configuration. Most WildCat systems can use the VIEWCOMP.BAT
file included. Review the syntax listed below to select options for
your system. You may choose to specify all options on the command
line, OR specify them in the AVIEWCOM.CNF file, whichever is most
comfortable for you to use.
However, if you use the command line for specifying options, please
delete the .CNF files to reduce confusion. If you use the .CNF file,
do not use the command line options.
SysOp COMMANDS
--------------
These commands are available ONLY in the registered version. The SysOp
commands are read directly from the keyboard and are NOT accessible to
the caller online. There is no possibility of the caller being able
to drop to DOS.
While the caller is online, the following commands are available to
the SysOp. I will add any other commands you may desire - just make
the suggestion!
UP add 1 minute to caller's time.
DOWN subtract 1 minute from caller's time.
PG-UP add 5 minutes to caller's time.
PG-DOWN subtract 5 minutes from caller's time.
ALT-D drop to DOS.
ALT-C chat with caller
ALT-Q goodbye to caller (terminate aviewcom session)
ALT-G Drop DTR and HANGUP on caller!
The caller time adjustment does not carry through to WildCat when the
caller returns to the BBS. This may change in the future.
AViewCom v6.5
AViewCom v6.5 6
ONLINE COMMANDS
---------------
AViewCom will allow BBS callers to read text files that are contained
within an archive file. AViewCom will not display files with .com,
.exe, .obj, or .ovl extensions. The file is also checked for nul
characters contained within the first 255 bytes of the file and will
not display it if there are any. If the file passes the tests, it
will be extracted by making a DOS call to an external extractor which
must reside somewhere in the DOS path (which includes the current
directory). The file is then extracted to the home directory or
temporary path, displayed, and deleted. However, if the file already
exists before the call to the extractor, it is displayed, but not
deleted. AViewCom displays the contents of archives in the following
format.
Performing ArcView on [Aview64g]
# FileName Stowage UnZIP Sz ZIP Size Pct Date Time CRC
═══ ════════════ ════════ ════════ ════════ ═══ ════════ ═════ ════════
1 av-pif.dvp Implode 416 126 70% 03/29/92 12:15 A3D5C9F9
2 aviewcom.hlp Implode 11777 3801 68% 07/09/92 09:02 277FA9AF
3 aviewcom.doc Implode 41104 13819 67% 02/24/93 18:55 14DE017C
4 aviewcom.bye Stored 50 50 0% 03/29/92 12:15 FFCA0810
5 aviewcom.pro Shrunk 195 134 32% 03/29/92 12:15 ED85789B
6 aviewcom.hst Implode 18870 5357 72% 02/24/93 18:25 0C5A9BB6
7 aviewcom.cnf Implode 1817 1062 42% 08/04/92 21:42 99AB8C34
8 order.frm Implode 2683 1037 62% 08/01/92 22:25 3C6261DC
9 viewcomp.bat Implode 2145 1162 46% 02/24/93 19:19 3211EEF6
10 aviewcom.exe Implode 55686 33961 40% 02/24/93 18:39 22212841
11 whatsup.doc Implode 9614 4311 56% 02/24/93 19:08 A6B8AC4B
12 offer.txt Implode 8081 3280 60% 02/24/93 00:32 F4CFE5FE
─── ──────────── ──────── ──────── ───
12 File(s) Pkunzip Total 152438 68100 56%
Enter [filename] or [#] to read, [D]ownLoad, [M]ark, [V]iew, [L]ist, or [H]elp
[45] Mins Left [ # [filename] D M V L H [Return] to Quit]?
The viewer is then presented with the above command prompt. The viewer
may enter the filename as it appears in the view listing, or may enter
the number associated with the filename (shown on the very left of the
listing).
[file] full filename of the file to view
[D] download a file or marked files from the archive
[M] mark a file
[V] re-View the archive showing detailed information
[L] list filenames, dates, and marked status
[H] display AVIEWCOM.HLP
[Return] terminate AViewCom session
Not shown is the S command. This command displays the caller's
"Statistics". This command is provided to check that AViewCom has
properly read the caller's information from DOOR.SYS. For more
details on Operation, please see the accompanying text file
AVIEWCOM.HLP.
AViewCom v6.5
AViewCom v6.5 7
SYNTAX
------
AViewCom ? or /? or /h or /ho
? If first and only parameter, displays syntax help screen.
In the arcview mode, AViewCom accepts the following parameters on
the command line. Each is detailed below.
AViewCom file [port] [-a#] [-b#] [-c] [-d] [-e#] [-f] [-i] [-l] [-n#]
[-o#] [-p{tpath}] [-q] [-r#] [-s{pwd}] [-t#] [-u]
[-v] [-w] [-z]
file is a required parameter. If omitted, there must be no other
parameters on the command line and the caller will be prompted
for a file to an archive file. file is any valid DOS pathname to
the file to be viewed. The archive extension is optional and is
added if not included. Some BBS's such as WildCat! pass the file
as a DOS parameter. WildCat! uses %1. If the character '*' use
used as file, other options may be specified and the caller will
be prompted for a file to view. file may also be a filelist of
files to view if preceeded with an '@'. eg @file.lst.
port is either 'com#' or 'local' where # is from 1 to 22 This is an
optional parameter and defaults to local. If neither of these
are specified, local mode is entered and no transmission is sent
to the comm port. In this manner, AViewCom may be run in the
local mode.
-a# is an optional parameter where # either 0, 1, or 2:
0 = no ANSI. In this mode, all display is MONO.
1 = ANSI color. All display is in ANSI color.
2 = prompt caller for ANSI color or not (default).
For WildCat systems, this parameter is not needed if the -w
switch is used, since this information will be read from DOOR.SYS
(registered version only).
-b# 4 digit hexidecimal comm port base address. This option is
included if for some reason the information cannot be read from
another source. For example: -b02E8.
-c If -c is included on the command line, AViewCom will read options
from AVIEWCOM.CNF file. If an asterisk is entered as the
filename, AViewCom will search through directories that are
listed after the #search command in the AVIEWCOM.CNF file. This
option is included for non-WildCat systems which do not pass the
filename to view as a DOS parameter.
-d disables the download option. This is included for those systems
which prefer not to allow downloading. If not included,
downloading is enabled and external protocol programs must be
somewhere in the DOS path.
AViewCom v6.5
AViewCom v6.5 8
-e# Used to specify an archiver where # is as follows:
0 pkarc (.COM or .EXE) 4 pkzip [default]
1 pkpak 5 zoo
2 pak 6 lha
3 arc 7 arj
If you use code 2, make sure that PAK.CNF is such that the
archive will not be deleted after extracting it. The specified
extractor is also used to create the temporary archive which is
assigned the name AVIEWnnn.???.
Archiver versions supported (up to and including):
PKXARC v3.61 PKUNZIP v2.04g
PKUNPAK v3.61 ZOO v2.10
PAK v2.51 LHA v2.13
ARC v6.02 ARJ v2.39d
Please let me know if an archiver has a more current version.
-f Operate in Read Text mode instead of View Archive. This option
is provided for systems which have a "Read Text" hook in their
menus and use AViewCom to "Read" the filename which is passed
as a parameter. The file is checked to ensure it is an ASCII file.
-i comm port IRQ number. The registered version of AViewCom reads
the comm port information including IRQ and port base address
from the environment. The -i parameter is provided for systems
not using WildCat, or for the shareware version.
-l enables activity logging. If this is included, AViewCom will
create and maintain an activity log called AVIEWmmm.LOG which
will contain dates and times of all arcviews and downloads that
occur. The node number will replace mmm in the log name.
-n# is an optional parameter if omitted, defaults to no limit. If #
is specified, it limits the maximum size of archive files created
for download to #.
-o# is an optional parameter if omitted, defaults to 0. If # is
specified, it sets the node number for this door. It is used to
select which log file to write to. Values are from 0 to 999.
-ptpath is an optional parameter and if omitted, defaults to the
home directory where AViewCom.exe resides. tpath is any valid DOS
path and specifies a temporary directory for the external extractor
to use when extracting files. A useful tpath is a ramdrive. The
'-p' indicates that a DOS pathname follows.
-r# Define the connection baud rate for file xfer calculations where
# is any valid baud rate.
-spassword Normally, no password is required for the local sysop to
drop to DOS (not the caller!). If the -s parameter appears on the
command line with no password, then drop to DOS is disabled. If
-spassword appears where password is any 15 character printable
character (case IS significant), then the local sysop will be
AViewCom v6.5
AViewCom v6.5 9
prompted for this password before they are allowed to drop to dos.
If an incorrect password is given, a log entry is made and drop
to DOS is not allowed.
-t# This parameter allows the SysOp to specify a maximum number of
minutes that the caller will be allowed to spend in a session of
AViewCom. # is the number of minutes to be allowed. In the
WildCat mode, the time allowed is read from DOOR.SYS.
AViewCom computes file transfer times as if the file were
transfered at 95% efficiency. If the caller does not have enough
time left for the file transfer, they will not be allowed to
download the file.
-u if included, instructs AViewCom to update the USERINFO.DAT file
which contains the number of files and kilobytes the caller
downloaded during the current session of AViewCom.
This option is available only for registered callers using
WildCat v3.n. The ShareWare version AViewCom does NOT write any
information to USERINFO.DAT.
-v Disable direct screen writes. AViewCom uses bios writes for
everything except saving the screen when dropping to DOS and
shelling out ext prots or any archiver/extractor. Disabling
direct screen writes provides compatibility with programs like
DesqView and is not normally necessary. Also, disabling direct
screen writes slows down the capture of the screen considerably.
-w Read the DOOR.SYS file for caller information. With this option,
the DOOR.SYS file is read for caller information and the caller's
download ratio and number of downloaded kbytes are checked. The
caller will not be able to download files if the ratio has
exceeded the values set for ratio limit. If no limit is defined,
the upload/download ratio is set to 1:20.
AViewCom will search the current directory for DOOR.SYS. If you
CD to any other directory, you will need to copy this file to
that directory before calling AViewCom.
This parameter is active ONLY in the registered version.
-q Disables prompt before shelling to external program while running
under a DesqView environment. Use this if your system doesn't crash
when reading a text file and you are running DesqView.
-z This is a temporary parameter used to override LINE 30 in DOOR.SYS
which is incorrectly written by WildCat and sometimes causes
AViewCom to report that the user has exceeded the download kbyte
limit. This bug exists in v3.00, v3.01, and v3.02 of WildCat.
Including this parameter on the command line will ZERO the caller's
DAILY DOWNLOAD KBYTES. Therefore, if the caller has exceeded the
daily downlaod kbyte limit, AViewCom will still allow downloads.
However, the TOTAL KBYTE LIMIT is still in effect. Note: WildCat
v3.50 corrected this problem.
AViewCom v6.5
AViewCom v6.5 10
SETUP
-----
COMM PORTS
----------
AViewCom will display the contents of an archive to the local console
and to COM1 through COM22 as specified on the command line. If no comm
port is specified, AViewCom enters the local mode and no output is
sent to the comm port. Standard IRQ and Base Address are used for
comm ports 1 to 4. Extended comm port numbers are assigned IRQ and
Base Address as listed below. These defaults may be overridden on the
command line with the '-b' and '-i' parameters, or by specifying the
'-w' parameter on the command line and using the environment variables
for wildcat to specify the base address and irq number. Specifying
COM0: forces AViewCom to the local mode.
BASE, IRQ = PORT # BASE, IRQ = PORT #
LOCAL COM0 0x0368, 7 = COM11
0x03F8, 4 = COM1 0x0368, 9 = COM12
0x02F8, 3 = COM2 0x0278, 5 = COM13
0x03E8, 4 = COM3 0x03E8, 7 = COM14
0x02E8, 3 = COM4 0x03E8, 9 = COM15
0x0378, 7 = COM5 0x03E8, 5 = COM16
0x0278, 9 = COM6 0x02E8, 7 = COM17
0x0368, 5 = COM7 0x02E8, 9 = COM18
0x0278, 7 = COM8 0x02E8, 5 = COM19
0x0378, 9 = COM9 0x0268, 7 = COM20
0x0378, 5 = COM10 0x0268, 9 = COM21
0x0268, 5 = COM22
EXTRACTOR
---------
AViewCom does not require any external programs to display the
filenames within the archive. It does require an external extractor
to display text files and extract files for downloading. Before
displaying a text file, AViewCom makes a DOS call to an external
extractor which may be anywhere in the DOS path. AViewCom examines
the archive extension to determine which extractor to use. The SysOp
may specify a temporary path to extract files to with the '-p'
parameter on the command line. Review the '-e' command below for
further information on extractors. Please be aware that the BBS
shells to AViewCom which shells to an extractor.
If AViewCom will display the archive contents, but will not display a
text file, then the trouble must be in shelling out to the extractor -
possibly not enough memory (different extractors require different
amounts of memory), or the archiver is not in the DOS path.
ANSI COLOR
----------
AViewCom can display ANSI color. If the '-a1' parameter is included
on the command line, the contents are displayed in color locally and
to the remote caller. If ANSI is selected, an ANSI device driver is
required for the host computer. However, a color monitor is not
required. You must have a line in your CONFIG.SYS file resembling the
following:
DEVICE=C:\DOS\ANSI.SYS
If an ANSI driver is not installed and ANSI is selected the display
will be cluttered with ANSI escape sequences. When running under
DesqView, you need to install the DesqView ANSI driver (DVANSI.COM) by
calling it from the batch file that starts up WildCat. Please refer
to your DesqView manual for info on DVANSI.COM.
AViewCom v6.5
AViewCom v6.5 11
PROTOCOL DEFINITION FILE
------------------------
AViewCom will allow BBS callers to download any file that is contained
within an archive file. AViewCom makes a DOS call to external
protocols which may be anywhere in the DOS path (including the current
directory). External protocols can be specified in the file
AVIEWCOM.PRO which is included with a few standard protocols. The file
is then extracted to the current directory or temporary path,
transfered, and deleted. However, if the file already exists before
the call to the protocol, it is sent, but not deleted. Including '-d'
on the command line disables the downloading feature. If the caller
has marked several files for downloading, AViewCom will extract these
files and archive them into a temporary file called AVIEWnnn.??? using
the default archiver PKZIP, and nnn is a number chosen to distinguish
temporary filenames. An archiver other than PKZIP may be specified
with the '-e' option.
AVIEWCOM.PRO: This file defines the command line switches to be used
with external protocols. Each line in the file is a definition for
different protocols. Every line MUST follow the following format:
Title,key,pathname,args
Title = Protocol name displayed to the caller (spaces okay).
key = Letter designation entered by caller during selection
pathname = External Protocol Filename. This may be as simple as "dsz"
or may contain the extension "dsz.exe" or may also contain
the full pathname "c:\util\dsz.exe".
progname = name of the program without the path, for example "dsz"
args = command line arguements passed to the external protocol to
specify the type of file transfer. This may be any number
of switches which MAY be include spaces.
Parameters
----------
%1 = comm port number
%2 = ADDR,IRQ (eg 3E8,1) base address and irq number of comm port
%3 = filename
%4 = baud rate
The comm port number is passed as %1. The ADDR,IRQ numbers are passed
as %2 in the form compatible with that required by the DSZ PORTX
parameter. For example "3E8,1" for com3. These fields MUST be
separated by one comma and NO spaces! Any other format will cause
unpredictable results! Please refer to the AVIEWCOM.PRO file included
as an example. The filename is always provided automatically as the
last arguement passed to the external protocol. You MUST include comm
port number! The filename to be transfered is passed as %3. If %3 is
omitted, then the filename will be appended to the end of the parameter
list.
AViewCom v6.5
AViewCom v6.5 12
CONFIGURATION FILE
------------------
The text file AVIEWCOM.CNF is provided for NON-WILDCAT systems, but
may also be used by WildCat systems and may be edited with any ASCII
editor. The options are outlined in AVIEWCOM.DOC and a sample
AVIEWCOM.CNF file is provided.
If the file AVIEWCOM.CNF exists, options will be read from a
configuration file. The configuration file may contain ';' to
indicate comments. The rest of the line after the ';' is ignored.
Lines beginning with '#' are command lines.
Recognized commands are:
#search ;search directories
#paths ;paths to search
#port ;com port
#video ;ANSI or MONO
#temporary ;extracting directory
#extractor ;type of extractor
#nodownload ;disables downloading
#log ;enables activity log
#timelimit ;max minutes allowed
#update ;update USERINFO.DAT
#wildcat ;read DOOR.SYS
After each command line, another line begins containing options for
the last command. The paths command is used to specify directories to
search for the requested archive file. There is no limit to the
number of directories which may be searched. See the included
AVIEWCOM.CNF file for further information.
PRIORITY
--------
AViewCom will accept options from (low to high priority):
lowest: 1) defaults
2) the command line
3) DOOR.SYS (port, ansi, timelimit only)
4) wildcat configuration (environment SET)
highest: 5) a text configuration file (AVIEWCOM.CNF)
The lowest priority option settings are overwritten by the highest
option settings. If you don't need the AVIEWCOM.CNF file, delete it.
Most systems can do without it. It is mainly included for non-WildCat
systems to list directories to search for the file. For WildCat
systems, you should be able to list all of the options you need on the
command line.
Update User's Information
-------------------------
AViewCom will now save information on the caller's downloading
activity. If the caller has downloaded anything, the number of
downloads and the download kbytes are saved in a file called
USERINFO.DAT which is used by WildCat to update the user databases.
There are 2 types of information that are updated:
Downloads (Line 17)
Download Kbytes (Line 18)
AViewCom v6.5
AViewCom v6.5 13
Installing your Registration Number
-----------------------------------
If you have registered AViewCom, you will receive a registration
number which will appear on your diskette label, and on the receipt
you receive from Cygnus Data Systems. Use this number with the
registration program included on the distribution diskette. If you do
not have this program, and you have registered AViewCom, you may call
my BBS listed at the end of this document and download it. If you do
not have an account on my BBS, I will first have to validate your
account and give you access to the registered directory. You may then
use this same program to install your registration number into all
future releases of AViewCom.
These functions are enabled when AViewCom is registered:
1) A "Registered to" message is displayed with your BBS name
2) The User Update function
3) Will read WCPORTID, WCIRQID, WCBASEID from environment
4) Will read DOOR.SYS and USERINFO.DAT files
5) Will remove "Please register" message upon exiting
6) Will enable the SysOp functions
Please note: WildCat v3.00 incorrectly writes line 30 of DOOR.SYS
which should the user's daily download kbyte total. It instead writes
the same value as in line 48 which is total download kbytes (from day
one!). This WildCat bug may cause AViewCom to give the message
"Sorry, you have exceeded your daily download ratio".
EXIT CODE
---------
A DOS errorlevel of 1 is returned when an error in command line
parameters is encountered, or upon any error during execution.
AViewCom monitors carrier detect and returns a DOS errorlevel of 2
upon loss of carrier detect. It also monitors keyboard inactivity.
If no keyboard activity occurs for 3 minutes while waiting at a
prompt, AViewCom exits with a DOS errorlavel of 3.
CREDITS & ACKNOWLEDGEMENTS
--------------------------
AViewCom was inspired by the ArcView function in Perspective Data
Systems by Carey Nash. Original versions used his code, but have
since been replaced by my own. The ShareWare version may be freely
distributed but may not be sold for any reason. The registered version
may NOT be distributed and may only be used on one system per
registration.
The comm port communications are interrupt driven. The original
interrupt request vector is saved and replaced with a local interrupt
service routine. The original ISR is replaced on exit.
"This product uses the SPAWNO routines by Ralf Brown to minimize memory
use while shelling to DOS and running other programs."
AViewCom v6.5
AViewCom v6.5 14
To register your copy of AViewCom, print the file ORDER.FRM. You may
wish to use your editor to fill in the blanks before printing the
form. If you choose to register AViewCom, you will receive the latest
version of the program, and a laser printed manual. In addition, I will
be able to continue to support AViewCom and provide additional features
and enhancements. See future below.
Daniel Durbin
14027 NE 181st Street #B-103
Woodinville, WA
98072-6846
(206) 481-3484 (voice)
(206) 481-9582 (bbs/fax) ZyXel U-1496e+ v.32b/v.42b
FidoNet 1:343/181
DISCLAIMER
----------
THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
THE AUTHOR WILL NOT BE LIABLE TO USERS OF THIS PROGRAM FOR ANY
DAMAGES, INCLUDING LOST PROFITS OR LOST SAVINGS OR OTHER INCIDENTAL OR
CONSEQUENTIAL DAMAGES, ARISING OUT OF USE OF THIS PROGRAM.
BUGS and LIMITATIONS
--------------------
FUTURE
------
All suggestions are welcome and encouraged and may be mailed, emailed
or phoned to me anytime. This is a continuation of AViewCom and many
enhancements and improvements will be added and supported. I thank all
those who have given me feedback and encouragement.
* An optional menu file supporting WildCat control codes.
* Support for the Maximus CBCS Compress.cfg file
Daniel Durbin______________________________________________
SysOp: Cygnus X-1 BBS, Woodinville, WA | CIS: 73447,1744
(206) 481-9582 (bbs/fax) v32b/v42b | GEnie: D.DURBIN
(206) 481-3484 (voice evenings) | FidoNet 1:343/181
daniel.durbin@f181.n343.z1.fidonet.org |
AViewCom v6.5