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- COM-AND Scripted HOST
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- COM-AND Scripted HOST
- Script based Host mode for the IBM PC
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- COM-AND is distributed freely and may be copied by anyone for any
- number of machines. The author offers COM-AND and accessory
- programs (e.g. PC-VCO or CCHESS) as "shareware". If the program
- is found to be useful or entertaining, a registration of $35.00
- is requested. If response warrants, COM-AND will be enhanced
- and more accessory programs developed. The author may be reached:
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- CABER Software
- R. (Scott) McGinnis
- P.O. Box 3607 Mdse Mart
- Chicago, IL 60654-0607
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- PLINK, GEnie id: TARTAN
- SOURCE: BEM823
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- Version 1.0: 880706
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- COM-AND Scripted HOST
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- Table of Contents
- -----------------
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- I. Introduction .............................................. page 1
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- II. Installing the HOST ........................................ page 2
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- III. Program Requirements ....................................... page 3
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- IV. Program and Author Information ............................ page 4
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- Appendices
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- A. Modem configuration ........................................ page 5
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- Version 1.0: 880706
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- COM-AND Scripted HOST Page 1
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- I. Introduction
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- A. What is COM-AND?
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- COM-AND for the IBM PC and compatibles is a communications
- program that may be used by itself, or with several integrated
- accessory programs (which themselves may be used independently of
- COM-AND). COM-AND provides standard comm program functions: a
- dialing directory, macros, disc logging, binary and ASCII file
- transfers, and so on.
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- B. The HOST
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- This document details the HOST script provided with version 2.2 of
- COM-AND. Two levels of hosting are provided. First, password
- protected logon and a limited set of functions are provided. The
- functions are:
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- o C)hdir Change current directory
- o F)ilelist List files in current subdirectory
- o P)athlist Graphically list paths
- o U)pload Upload a file using WXMODEM, XMODEM,
- YMODEM or KERMIT
- o D)ownload Download a file using WXMODEM,
- XMODEM, YMODEM or KERMIT
- o E)xit Logoff
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- A second level of function is supplied with a second password.
- DOS commands may be executed at this level. NOTE: Only DOS
- commands that allow redirected I/O are 'usable' here. DOS
- functions that prompt for keyboard input will 'hang' the HOST
- mode.
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- All host activity is captured to a log file.
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- The supplied HOST script works best if your modem is set to report
- the real state of Carrier Detect (CD). However, it has been used
- quite successfully with modems that report Carrier Detect always
- true (when disconnect occurs, Hayes compatible modems report the
- fact with 'NO CONNECT').
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- Version 1.0: 880706
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- COM-AND Scripted HOST Page 2
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- II. Installation
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- A. Set the caller and DOS passwords
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- The only modification required to the supplied script is setting
- the caller (S0) and DOS passwords. The values to hold for your
- host mode are set in the first 2 lines of the script. Edit the
- script, and set passwords as you wish.
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- B. Check your modem
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- For best operation, your modem should report true carrier detect.
- Check to see that your modem does so. This is not required, but
- does assure that loss of carrier during a file transfer will not
- go undetected until timeout.
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- C. To start, type:
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- CD <the subdirectory you wish to be the default>
- "d"> COM-AND/fHOST-SRC
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- Version 1.0: 880706
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- COM-AND Scripted HOST Page 3
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- III. Program requirements
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- This program can only function on an IBM PC or DOS compatible
- machine. COM-AND does direct to screen buffer fetches and stores
- (unless BIOS screen updates are directed using the /C switch or the
- Alt-O options menu).
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- COM-AND supports MDA, CGA, EGA and Hercules. COM-AND uses a Micro-
- soft Mouse if one is available (not well, but it'll certainly get
- better).
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- COM-AND disk I/O is done through the 'Handle' oriented I/O routines
- added to DOS 2.0. Therefore DOS 2.0 is a minimum requirement.
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- COM-AND (Version 2.2) requires 215K for itself. You need 256K
- (minimally), and more to take advantage of the DOS Gateway and
- even more yet to load accessories.
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- This script requires a 300, 1200 or 2400 baud modem. [Others could
- be supported with modification to the script.] This script is most
- reliable if the modem is set to report true CD.
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- Version 1.0: 880706
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- COM-AND Scripted HOST Page 4
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- IV. Author information
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- COM-AND was written using Microsoft Macro-Assembler. The
- author likes assembler. Assembly language is an entirely
- appropriate vehicle for some of the program, and a not-inappro-
- priate vehicle for the rest of it. Everything, in moderation...
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- The author of this program is R. Scott McGinnis of Chicago,
- Illinois. PLINK and GEnie ID: TARTAN. Comment and suggestions
- (and criticism in moderation) are welcomed:
-
- CABER Software
- R. (Scott) McGinnis
- P.O. Box 3607 Mdse Mart
- Chicago, IL 60654-0607
-
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- I wish to say that my wife, Elizabeth, is the best reason I've ever
- known for continuing to live. Without her beside me (propping me up
- alot of the time), I wouldn't be.
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- This script (Version 1.0) may be distributed freely (but it isn't a
- whole lot of use without COM-AND). Any improvements that are
- returned to the author will get attention... errors reported to the
- author will be corrected. COM-AND is shareware. If COM-AND is
- found entertaining or useful, a contribution of $35.00 is requested.
- Should response warrant it, I will continue to develop and support
- this product.
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- Version 1.0: 880706
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- COM-AND Scripted HOST Page 5
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- A. Modem Configuration
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- COM-AND default values do not require your modem to be configured
- in any particular manner. However, certain features cannot be used
- unless you configure your modem before you use COM-AND.
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- 1. DTR (Data Terminal Ready)
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- COM-AND, by default, hangs up using the command sequences defined
- through the Alt-S setup (hangup and modem escape). However, you
- may alternately select 'Drop DTR to hangup' through the Alt-O
- options. Dropping DTR is the only way to hangup certain modems,
- and is generally much faster than the command sequences.
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- Most Hayes compatible modems allow configuration of the DTR sense
- through a switch-block. If you wish to use DTR to hangup, be sure
- that your modem follows the DTR signal. Refer to the documenta-
- tion provided with your modem to be sure that option switches are
- set appropriately.
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- 2. CD (Carrier Detect)
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- COM-AND (presently) uses the CD sense line for several purposes.
- The 'CONNECTED' test supported in the script language, test for
- carrier detect upon exit, and the file transfer protocols all
- require that the modem report carrier detect. True carrier detect
- is the only way to determine if you are 'on-line' or 'off-line'.
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- Many Hayes compatible modems are sold with a carrier detect
- override (in other words the modem reports carrier detect all the
- time). When carrier detect is overridden, COM-AND cannot detect
- when carrier is lost during a file transfer or whether to ask if
- you want to hangup when you exit.
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- Be sure that the modem is reporting true CD (instead of it just
- saying 'yes'). Most Hayes compatible modems allow configuration
- of the CD sense through a switch-block. Refer to the documenta-
- tion provided with your modem to be sure that option switches are
- set appropriately.
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- Version 1.0: 880706 Appendices