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- QuickB DA
- ------ --
-
- v.1.0 of Dec. 4, 1990.
- QuickB Desk Accessory was written by Raymond Lau.
- Copyright 1988,89, Raymond Lau.
-
- QuickB Download is shareware. Try it a few times. If you like it, find
- it useful, or save some money off your CompuServe bills, please register
- it by sending $15 to the author:
-
- Raymond Lau
- 100-04 70 Ave.
- Forest Hills, N. Y. 11375-5133
- U. S. A.
-
- (Note: Registered QuickB Download users need not re-register.)
-
-
- Introduction
- ------------
-
- QuickB DA is a desk accessory written for the CompuServe user who uploads and
- downloads frequently. QuickB is a new protocol which allows for significant
- speed gains and time savings when up/downloading from CompuServe. While some
- telecom programs are starting to support the QuickB protocol, many others
- do not. With QuickB DA, you can take advantage of this protocol from within
- these telecommunications programs.
-
- Relation to QuickB Download
- -------- -- ------ --------
-
- Some of you may be familiar with my QuickB Download DA. This is a direct
- successor to it. This allows you to upload as well as download.
-
- Installation
- ------------
-
- To install QuickB DA, you should be familar with the operation of
- Apple's Font/DA Mover. If you are not, please consult the appropriate
- documentation before continuing.
-
- QuickB DA may be installed into the System file, where you can use
- it in any communications program, if you use more than one. It may also
- be installed directly into your communications program(s) or Suitcase and
- Master Juggler, etc. files.
-
-
-
- Operation
- ---------
-
- Make sure your telecom program is set for 8 bits, no parity, 1 stop bit.
- If it is set for 7 bits, QuickB DA will not function properly.
-
- Operation is very straight forward.
-
- Initiate the QuickB upload or download process on CompuServe.
- For example, say you are browsing a file description and you want
- to download that file. Just type "dow /proto:qb" at the prompt. Or
- you can go through the menu system and pick the QuickB option...
-
-
- CompuServe will prompt you for a file name. Type in an appropriate
- file name. (This is the "primary" file name as will be explained
- later.)
-
- Now, go to the Apple menu and select QuickB DA. If you are running
- MultiFinder, you should also hold down the option key as you select
- QuickB and keep holding it down until the QuickB window comes up.
- (This launches QuickB under your telecom program's "layer" and prevents
- QuickB from competing with it for the serial port.)
-
- After some negotiations with the CompuServe mainframe, you will be
- prompted either with a standard Save As dialog (for downloading) or a
- standard Open dialog (for uploading). For downloading, you
- can select the destination folder to save the downloaded file. For the
- file name, type in a filename. (This is the "last choice" file name --
- to be explained shortly!) Or just click Save to use the default.
-
- That's all there is to it! Now sit back and watch the file transfer
- proceed.
-
- [A small problem. CIS isn't always too responsive. If you see
- that the download isn't beginning within a reasonable amount of
- time, abort and try again. Sometimes CIS is so overloaded that it
- gets confused and goes "out of sync" at the beginning.]
-
- (NOTE: When using Red Ryder, you must uncheck the Enable CIS 'B' option.
- If you don't, Red Ryder will take over and CompuServe will think that you
- want to use regular B rather than the extended QuickB with QuickB
- Download.)
-
- File Naming
- ---- ------
-
- QuickB DA uses the following procedure when naming files on downloading:
-
- For MacBinary Files:
- (including applications, DAs, FKEYs, MacWrite files, StuffIt archives,etc.)
-
- • The original file name, the one the file was uploaded with, will be used
- first.
- • If a file already exists by that name, the "last choice" file name
- will be used. This is the file name you typed into the dialog box
- when you were prompted with the Save As dialog box.
- (Since you selected this as the "last choice" name, if a file already
- exists, it will be deleted and replaced.)
-
-
- For text and other non-MacBinary files:
- • The file name you typed in at the "Filename:" prompt will be used.
- This is why this is referred to as the "primary" file name.
- • If a file already exists by that name, the last choice file name
- will be used. This is the file name you typed into the dialog box
- when you were prompted with the Save As dialog box.
- (Since you selected this as the "last choice" name, if a file already
- exists, it will be deleted and replaced.)
-
-
- If this seems unneccessarily confusing, don't worry! You don't have to
- memorize it per se... In most cases, this procedure would be what you
- would want intuitively.
-
-
- Aborting
- --------
-
- Hold down the command and period keys until you hear a beep to abort the
- transfer process. This works MOST of the time. At times, CompuServe
- may not recognize the abort sequence sent by QuickB DA. If you
- think CompuServe is hanging on you after you issued an abort and QuickB
- DA has closed itself, type in a sequence of four control-P's.
- Wait 3-5 seconds. Repeat 2-4 times if needed. Usually, this "Panic
- Abort" sequence is recognized if it is sent 3 times. (It SHOULD be
- recognized the first time according to the CompuServe documentation, but
- in practice, it usually takes 3 panic abort sequences.)
-
-
-
- Why No Background?
- --- -- -----------
-
- You may ask why not have QuickB Download work in the background? The
- answer is simple. If I were to make it work in the background, it would
- require you to quit from your communications program before you can run
- QuickB DA or else the two would compete for the serial port...
-
-
- Other Products
- ----- --------
-
- Other products I have written include (as of 12/4/90):
-
- StuffIt Classic -- a file compression and archival program that allows
- you to save disk space and file transmission time. Your archives
- are as flexible as the file system itself. You can enter folders
- saved within archives, add more files to and delete files from
- existing archives... As an added feature, your files can
- optionally be scanned for currently known virrii as they're being
- stuffed into or unstuffed from an archive.
- ($25 shareware: available online and from Aladdin Systems, Inc.)
-
- StuffIt Deluxe -- an enhanced version which includes support for
- viewing multiple archives at once, encryption,
- viewing files in an archive, copying and moving
- files within and amongst archives, perform common
- operations right from your Finder desktop with
- Magic Menu, etc.
- ($99.95 suggested retail available from many mail
- order sources and Aladdin.)
-
- Shortcut -- a utility that greatly enhances your standard file Open
- and Save As dialogs by allowing you to maintain lists of
- commonly used files and folders and to access them with
- a single flick of the mouse or a few key presses. Other
- features include creation of new folders, deletion of
- files, finding lost files (including those in StuffIt
- archives), unstuffing files... and soon, access to
- StuffIt archives from right within the Open dialog box,
- ability to view certain files before opening them,
- and more!
- ($79.95 suggested retail available from many mail order
- sources and Aladdin.)
-
-
- Aladdin Systems, Inc. may be reached at:
-
- Deer Park Center, #23A-171
- Aptos, CA 95003-4723
- 408-685-9175
-
- I may be reached at my address at the top of this document.
-
-
- QuickB Protocol
- ------ --------
- (For the technical types and the curious. With editorial comments.)
-
- CompuServe's QuickB protocol is an extension of their CIS B protocol.
- The version QuickB Download implements is current as of Jan. '88.
- It provides for a maximum packet size of 1024 bytes (1k) to reduce time
- spent in error checking. It allows for a one packet send ahead facility.
- (otherwise known as sliding window or windowed.) It uses XModem style
- CRC (bits reversed from CRC-CCITT standard) for error checking and
- correction.
-
- It has the ability to fall back to smaller sized packets if the host
- doesn't support 1k packets. It can also fall back to no send ahead and
- checksum error checking. These capabilities are meant for communicating
- with someone using older versions of CompuServe's Vidtex communications
- software on other computers. There isn't a version for the Mac that I
- know of.