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Generic Terminal v7.00 Copyright (c) 1985, 1986: by P & M Software Co. GT is short for Generic Terminal, a communications program for IBM Personal Computers and compatible units. P & M Software Co. reserves the COPYRIGHT to this program and all related materials. The user is granted a license to use the program and is encouraged to make a donation if the program is found to be useful. $35 is recommended. Send the donations to: P & M Software Company 9350 Country Creek #30 Houston, Texas 77036 For further information about the GT registration plan, please read the file called REGISTER.DOC, which comes with this program. It outlines the benefits of full registration. In addition, the user is granted the right to make unlimited copies of the program and to distribute these copies as he/she desires, except that P & M Software Co. reserves the sole right to distribute the program for PROFIT. If the user distributes the product, the user may ask for a duplication charge, not to exceed $6 per copy. Features: --------- 1. ANSI Standard terminal emulation, compatible with many super-mini and super-micro computers. 2. ANSI.SYS style color graphics, without the need of ANSI.SYS! 3. BASIC style PLAY for single voice music. 4. Multiple telephone directories, each with up to 999 entries. Records the date and time of last contact with each BBS. 5. Circular redialing queue. Up to 125 numbers may be put into queue. 6. Capture Mode, limited only by the amount of disk space available. A spill file is used, when the capture buffer is full. The capture buffer can be reviewed on-line, before saving to disk. 7. ASCII file transmission, using XON/XOFF protocol and/or line-by-line pacing and/or inter-character delays. 8. Full control of all communication parameters. 9. 40 macro keys, to store logon, passwords, etc. 10. Full printer support, using XON/XOFF flow control. 11. Xmodem/CRC protocol, using the CCITT polynomial: x^16 + x^12 + x^5 + 1. 12. Ymodem/CRC protocol, using the CCITT polynomial. Ymodem/Checksum is NOT supported, because of the increased risk of error in the longer packets. Ymodem uses 1024 bytes per packet vs. 128 bytes per packet in Xmodem. During transmission of a file with Ymodem, if over 5 error are encountered, the transmission will fallback to normal length blocks. This saves time, because of the high overhead encountered with Ymodem retransmission of error blocks. 13. Telink/CRC batch file transfer protocol is supported. 14. Kermit file transfer protocol is supported. 15. DOS Shell. Exit to DOS then return, GT stays in the background. 16. Interactive script language, to automate many repetitive tasks. 17. Optional LOG file. 18. Advanced "call progress" detection. Detects BUSY, VOICE, NO DIAL TONE, and more, with modems that support extended result codes, such as the USRobotics Courier 2400 Modem. 19. Use of the environment variable, GTPATH, to simplify use of the program on a hard disk. Installation Notes: ------------------- Version 4.20 of GT introduces a new format for the phone directory. For that reason, users of older versions of GT must run the program GT-UTIL to convert their old directories to the new format. I think you will like the new format, it includes the date & time that you last called each number in the directory. When run, GT-UTIL will rename your original directory to OLD_GT.DIR, so that you will retain a copy of it for emergency use. The program comes with two executable files, the .COM, which is the main program, and the .000, which contains the overlays. The overlays, the .000 file, must be available to the program at all times. The main program, the .COM, may be removed after the program has begun. There are two methods available to have GT locate the required overlays and configuration files. The 1st, possibly the easiest to use, is to start GT in the directory that contains all of these files. The program detects the default directory and will refer back to it when needed, even after the user has changed directories. The 2nd method is to use an Environment variable, GTPATH, to point to the directory containing GT's files. This method is more difficult to setup, but is much more flexible once the program is properly installed. The phone directory may be placed on any drive and directory, the path to the phone directory is set into the configuration via the ALT-I command. Example of Environment Usage ---------------------------- Assuming that all the GT files have been placed in a directory named \GT on drive C. Then in your AUTOEXEC.BAT place the following: set PATH=C:\GT set GTPATH=C:\GT Of course, the PATH variable may have additional files listed, using the semi-colon to separate the names. The GTPATH variable must have only 1 parameter, the home directory for all the GT files, except the Phone Directory, which may be placed anywhere, as indicated above. Distributed with the program is a file called GT.BAT. It can be used to install and run the program from a RAM disk. To use GT.BAT, place the program disk in one of the floppy drives and make it the default, then enter the following command: GT d1 d2 Where: "d1" is the drive with the program disk and "d2" is the RAM drive. Example: "GT A: C:" If the program is used without a modem, using a direct cable connection, all the dialing and modem control strings in the config file should be set to empty strings, for example the line with the MI parameter should read: "MI=". Also, when using a direct cable connection, the FC parameter should be set to TRUE. The program has been written to use Hayes compatible commands with the modem. Because the program controls the modem via the DTR signal, Data Terminal Ready, the cable between the computer and modem must provide a connection for pin 20 and the modem should have the internal switches set so that the DTR signal is monitored. The program uses the Carrier Detect signal from the modem to detect when a call has been connected and when to stop redialing, for this reason the modem should have it's switches set so that the Carrier Detect signal is ONLY sent when present on the phone line. If this is not possible, set the FC= parameter, to TRUE, however when Carrier Detect is "forced", it is not possible to do "redial" or "circular dial", because the program would never know when to stop! Support For USRobotics Courier 2400 ----------------------------------- Here are the proper switch settings for the Courier modem: Switch Setting ------ ------- * 1 UP, Normal DTR. This is not the factory setting, so it MUST be changed by the user. 2 DOWN, Numeric Result Codes. This is the preferred setting for use with terminal programs, but is not absolutely required. 3 DOWN, Result Codes are displayed. 4 DOWN, No Command Echo. Again, this is preferred, but not required. 5 Doesn't matter to GT. * 6 UP, Normal Carrier is sent to computer when on-line only. This is not the factory setting, so it MUST be changed by the user. 7 Doesn't matter to GT. 8 DOWN, Use Normal AT commands. 9 Doesn't matter to GT. 10 Doesn't matter to GT. Quad Switch UP, Use Normal Pin Assignments. *IMPORTANT: These switches MUST be set properly if the program is to have any chance to function in a normal manner. Modem Result Codes ------------------ The proper setting of the modem result codes is important, if call progress detection is to work properly. Again, one must use the ALT-I command, then select the modem result codes option. The program will present a list of possible results and the corresponding codes that the modem uses to signal each result. You may change any or all of the result codes, each code may be any string of characters, up to 12 positions long. The default codes are set to the numeric codes supported by the USRobotics Courier 2400 Modem, if your modem does not signal all of the possible results, DO NOT DELETE the code for results that are not supported, instead change them to some impossible value, for example: "N/A". In this way, the program will not mistake some extraneous information as a code. Quick Introduction ------------------ Most of the features of the program are self-documenting, however for the sake of the novice user, some explanation is necessary. The program is distributed in .COM and .000, which can be executed immediately by placing your disk into drive A, changing the default drive to A, if not already, then typing the name of the program, GT700. Once the user has successfully executed the program, the copyright notice will appear, and the user will be asked if music is wanted, strike a "y" if you want music, if not, then strike any other key. The on-line screen will then appear. At the bottom of the on-line screen appears a reminder of the most frequently used commands. These commands may be selected by depressing and holding the ALT key along with the indicated ALPHA key. If the user needs a command that does not appear on the screen, a complete list of available commands can be obtained by selecting ALT-H. Commands may be selected while the HELP screen is still on screen, so that the user does not need to call up the HELP screen repetitively. There are a number of status indicators that can appear in line 25 of the screen: * .... Capture mode is on. ^ .... Caps Lock is on. The ^ will show as the Up-Arrow on the screen. # .... Num Lock is on. Q .... Beeps are off. C .... Carrier is present. When carrier is lost, an alarm sounds. H .... Half-duplex is on. Here is a brief description of each command: -------------------------------------------- ALT-A Transmit a file using the ASCII XON/XOFF protocol, where the DC1 character is used for XON and the DC3 character is used for XOFF. If the Pacing Character is set, then line-by-line pacing is also done, i.e. the program will wait for the pacing character to echo from the host at the end of each line, thereby insuring that an overrun error will not occur. The default is no line-by-line pacing. Also associated with the ASCII file transmit is the End-of-Line Mode, it determines what characters are sent to the host at the end of each line. The normal default for IBM compatibile hosts is CRLF, i.e. a Return and a Linefeed, however some hosts, for example UNIX, require just LF, and others may require only a CR. These are the three options for End-of-line Mode. Also, the user may specify an inter-character delay, in milleseconds, the default delay is set to 0. The Pacing Character, the End-of-Line Mode and the inter-character delay, are options in the configuration file. Use the ALT-I command to alter the configuration. ALT-B Send BREAK signal to host computer. The serial port is forced into the spacing state. ALT-C Turn capture mode ON, if it is OFF, or OFF if it is ON. When this mode is turned OFF, either thru the ALT-C command or with the ALT-X command, the user will be prompted for a file name wherein to save the contents of the capture buffer. During capture mode operations, a "*" will appear in the lower left corner of the screen. Capture mode is useful for recording complete sessions for review later, so you don't read so much on those long distance phone calls. When the in-memory capture buffer is full, the program will dump to a spill file on disk, the file name used will be $$SPILL. The operation of the spill file is automatic, but if the program is interrupted for some reason, the file may remain cataloged. Therefore, the user should remove this file when required. It will be placed in the directory with the overlay file, the .000 file. ALT-8 Review the in-memory portion of the capture buffer. The PgUp, PgDn, Home and End keys may be used to move around in the buffer. PgUp and PgDn move thru the buffer a page at a time, the Home and End keys move you to the start or end of the buffer. Use the Esc key to quit viewing the buffer. ALT-D Modem dialing and phone directory management. The phone directory may have up to 999 entries, if there is enough disk space. The directory screen will automatically disappear whenever carrier is detected, unless the Forced Carrier config param is "TRUE". ALT-E Turn Half Duplex ON if it is OFF, or OFF if it is on. If Half Duplex is ON, then a "H" will appear in the lower right corner of the screen to remind the user. Half duplex is used when the host does not echo what you type. ALT-F Fix time. That is, mark the current time, so that you can measure time used, with the ALT-U command. ALT-G Redial the last number dialed. This command will loop continuously until carrier is signaled by the modem, the Forced Carrier config param is "TRUE", or the user presses a key. ALT-H Produces the HELP screen for the user. ALT-I Reconfigure the program defaults. The parameters listed below for the .CNF file can be changed via this command. ALT-J Display version number of GT in use. ALT-K Kill a file. Delete a file from the disk. ALT-L Display disk directory, under a user supplied mask. For example, to see all files on the logged drive and current directory, the user would enter the mask "*.*", when prompted. Or see just the files with an extension of .PAS by entering the mask "*.pas", when prompted. ALT-M Macro key management. Allows the user to define the contents of the function keys F1 thru F10, and all combinations of the function keys and shift, Ctrl or Alt. This gives the user 40 different macro keys. ALT-N Allows the user to change to a new logged drive and/or new working directory. ALT-O Sort the dialing directory into ascending sequence by name, number or date. Performs a IN MEMORY sort, so there must be enough memory to hold all the phone directory entries. ALT-P Print a file. ALT-Q Hang-up the phone line, put the modem "ON HOOK". Drops the DTR signal to the modem for 3 seconds and resets the UART, and sends the modem initialization string to the modem (see the config table below). ALT-R Receive a file using Xmodem or Ymodem protocol. Whichever protocol, selected by the host, will be used. Communications parameters are automatically changed to/from 8 bit no parity. CRC is used automatically, if the remote system supports it. In addition, the TELINK batch protocol may be used. In order to invoke the TELINK protocol, the user must first prepare the Host cpu to use the TELINK protocol, then after the ALT-R key has been pressed and GT has requested the filename, the user should respond with: [d:\path\]* the [] indicates that the drive specifier and path are optional. Under the TELINK protocol, the filenames will be supplied by the Host cpu. Using TELINK preserves the exact file size and creation date. If the carrier signal from the host is lost during file transfer, the alarm will sound and the "Carrier Loss" window will open. The alarm will continue to sound until the user strikes a key. Use ALT-4 for Kermit file reception. ALT-S Switch communication parameters. The program starts with these default values: 1200 baud, No Parity, 8 data bits, 1 stop bit. Permissible values for the baud rate are: 300, 1200, 2400, 4800, or 9600. ALT-T Transmit a file using Xmodem protocol. Communications parameters are automatically changed to/from 8 bit no parity. CRC is used, if the remote system requests it. Also, the TELINK protocol is used if the remote system supports it. Using TELINK, it is possible to transfer up to 30 files at one time. If the user wishes to perform a batch transfer, he must specify the names of the files to transfer using the DOS wildcard notation; for example, to transfer all files with the .PAS extension, when asked for the filename, respond with "*.PAS". A drive and path may optionally be specified with the filename. The first 30 files found matching the criterion will be transmitted. If the carrier signal from the host is lost during file transfer, the alarm will sound and the "Carrier Loss" window will open. The alarm will continue to sound until the user strikes a key. Use ALT-5 for Kermit file transmission. ALT-7 This command is similar to the ALT-T command above, however the Ymodem protocol is used. It is not possible to use Ymodem automatically for transmission, because the protocol provides no means for the host to signal the capability. So, GT will use Ymodem to transmit files only when ALT-7 has been selected. ALT-U Used, time. Report the time used since the the last ALT-F command and the last dial of the phone or the start of the program, whichever occured last. Total elapsed time in hours, minutes and seconds, is reported. ALT-V View the contents of a file, uses the same style as MORE, the DOS utility. Use the "End" key to stop the command. ALT-W Clear the screen. ALT-X Terminate and return to DOS. If other windows are open on the screen, this command will be deferred until all windows have been closed. ALT-Y Copy a file. This procedure will copy any unprotected file. Filenames must be fully specified. No wildcards are allowed, ONLY the current drive and directory need not be specified. ALT-Z Toggle monitor mode on/off. In monitor mode, all codes are shown so that the user may see exactly what is being sent by the host computer. Control codes are shown with the ^ symbol preceding, i.e. ^[ is the ESC code, ^X is the CAN code, etc. You must refer to an ASCII code chart for a complete list. ALT-1 DOS Shell port. GT stays in the background, while you exit to DOS. When you want to return to GT, just issue the "EXIT" command and you will return to GT. Note: you need a lot of memory to do this, more than 256k is recommended. ALT-2 Dump screen to the file "$$SCREEN". If the file already exists, then the screen is appended to the file, otherwise the file is created and the screen written to it. ALT-3 Execute a script. Scripts may also be executed by placing the name of the script file on the DOS command line that starts GT. For example: "A>GT700 filename", would begin GT and cause the script stored in filename to begin automatically. Refer to the description of the script language at the end of this document. ALT-4 Kermit file reception. Batches of files may be received. ALT-5 Kermit file transmission. Batches of files, up to 30, may be transmitted, use the * and ? wildcard notation to designate the batch to send. ALT-6 Begins execution of the "circular dialing" queue. All "marked" entries in the phone directory will be dialed in-turn, until a connection is made or the user stops the execution by entering a 'Q'. Individual entries may be canceled by pressing 'C', while the entry is being processed on the screen. The user may immediately proceed to the next entry in the queue by pressing the 'N'. Use the 'G' command on the Phone Directory screen to "mark" entries for the circular dialing queue. See explanation of the Phone Directory commands below. ALT-9 Toggle the beeps ON/OFF. Go into quiet mode or back to normal mode. Does not change the playing of music, just the bell. ALT-0 Make a manual entry in the Log file. Log file must be open before you can make entries. Open the Log file by setting the Log File flag = TRUE on the config page. See the ALT-I command. ^PrtSc Toggle the printer ON/OFF. Hold the "Ctrl" key, then press the "PrtSc" key. Use "Fn/Echo" on the PCjr. The Phone Directory has a list of commands also: ------------------------------------------------------------ A = Add an entry to the dialing directory. C = Change an entry in the dialing directory. K = Kill an entry in the dialing directory, a sort of the directory is recommended after this option or the Add option. L = Locate a BBS by name. You may specify partial names and the search is not sensitive to capital letters. The search begins with the current directory screen and proceeds to the end of the directory. N = Find the next occurance of the last BBS requested in the 'L' command, above. The search begins where the previous search left off and finds the next match, if any. M = Dial a number not in the directory. The user is prompted for new communications parameters. D = Dials a number from the directory, and automatically changes the communications parameters. To indicate that the phone number needs to be prefixed, put a "-" in front of the directory number, for example "-74", would prefix and dial the 74th number in the directory. G = Mark a BBS for entry into the "circular" dialing queue. If already marked, the mark will be removed. So, this command acts as a toggle between the marked and unmarked state. E = Exchange the current directory with another one. For example, one could have two directories, 1 for local BBS's and 1 for long distance calls. Don't give any path information, when entering the filename this option calls for - ALL phone directories are located using the "Directory PATH" from the configuration file. Use the ALT-I command to set this path as required. PgDn = Display the next page of the directory. PgUp = Display the previous page of the directory. Home = Go to the first page of the directory. End = Go to the last page of the directory. Q = Quit, returns to the online screen. When editing Phone Directory entries or Macro Key definitions, the program responds to the following editing keys as indicated: Backspace .... Delete character to the left of cursor. Del .......... Delete character under the cursor. End .......... Move the cursor to the end of the field. ^End ......... Erase from the current cursor position to the end of the field. The ^ symbol indicates that you must hold the "Ctrl" key, then press the "End" key. Home ......... Move the cursor to the start of the field. Ins .......... Toggle between insert and overwrite mode. When in insert mode the cursor becomes fat. Left Arrow ... Move the cursor to the left 1 position. Right Arrow .. Move the cursor to the right 1 position. Return ....... Finish the current field and move to the next. There are several files associated with the system. Here is a description of each: GT700.COM ...... Absolute program. The one to execute. GT700.000 ...... Overlays, must accompany the .COM file. GT700.DOC ...... This file. The documentation. GT.DIR ......... The phone directory, data file. GT.KEY ......... Macro key definitions, data file. GT.CNF ......... The configuration, data file. GT.BAT ......... Sample runstream to execute GT from ramdisk. GT.LOG ......... Log file. Note: don't edit the log file with an editor which places a CPM EOF (Hex 1A) at the end of a file. GT is unable to append log entries to a file which ends with the CPM EOF - a quirk of Turbo PASCAL. GT-UTIL.COM .... Program to convert old directories, prior to v4.20, to new format, produce printed listing of phone directory, import text list of BBS's to GT format directory. GT-UTIL.PAS .... Source code for GT-UTIL.COM. GT-UTIL.DOC .... Short doc file for GT-UTIL. SCRIPT ......... A sample script for use with GT. REGISTER.DOC ... Description of the registration plan. FORM.DOC ....... A registration form, ready to be filled in and printed. In position 1-3 of each record in the configuration file is a code to identify a parameter. After the "=", the value of the parameter appears. The codes are: CM= COM port number, 1 or 2. ST= Number of Stopbits. DA= Number of Databits. PA= Parity. 0=None,1=Even,2=Odd BA= Baud Rate. 300,1200,2400,4800, or 9600. WA= Number of ticks in 1/3 of a second, at 4.77 MHz clock. The value should be larger if the clock in your CPU is faster. The units for the value is milleseconds, and it is used for waiting, hence the WA=. For example, if your CPU runs a twice the 4.77 MHz rate, then the value of WA= should be 666. PR= Dialing Pre String. PO= Dialing Post String, use the | character where a Return is needed. PF= Phone number prefix. This item is used when going thru a PBX or when using an alternate long distance carrier. For example this field would contain "9," for use with a PBX, to get an outside line (don't include the " characters!). MI= Modem initialization string. The default value, AT E0 V0 S0=0|, will cause the modem not to answer the phone. Again, use the | character where a Return is needed. SY= Modem command string to turn the speaker ON. SN= Modem command string to turn the speaker OFF. RT= After carrier timeout has occured, this is the time between redials, in seconds. FC= Forced Carrier. Some modems force carrier even when a call is not in progress, if this is the case, set this parameter to TRUE. CT= Timeout time for carrier to appear, in seconds. DP= Directory PATH. This variable tells the program where to look for the phone directory. This param is provided mainly for people who wish to put the dialing directory on a RAM-disk. XO= The decimal value of the XON character. Used to control data flow. Starts data flow after XOFF has been issued. XF= The decimal value of the XOFF character. Used to control data flow. Stops data flow when issued. Helps insure that buffer overflow does not occur. VT= If TRUE, turns on ANSI emulation, using ANSI escape codes. If ANSI emulation is requested, music will not be played, and will show on the screen as text. This happens because of a conflicit between the full ANSI definition and the musical notes. LF= Auto Linefeed mode. If TRUE, then a Linefeed will be automatically supplied whenever a Return is recieved. FG= The default foreground color number. Any one of the 16 values in the table below. BG= The default background color number. Any one of the DARK shades, 0-7, from the table below. CC= The comment character used with the macro keys. MX= Number of Xmodem buffers to allocate. 4 - 255 are the legal values. A smaller number should be used on systems with only 128k, larger values can be used if more memory is available. Each buffer takes 128 bytes. PC= The Pacing Character. This is the character echoed by the host at the end of each line. If you set this character, the program will wait for it to be echoed by the host at the end of each line during an ASCII file transmission. The default is no Pacing Character. The abbreviations CR and LF may be used in this field to indicate the Return and Linefeed characters, as well as the | character for Return. EL= End-of-Line Mode. This determines the line terminating characters sent to the host, during ASCII file transmit, to delimit the end-of-line. Defaults to CRLF, Return and Linefeed. The other options are LF, only Linefeed, and CR, only Return. AD= ASCII inter-character delay. Specified in milleseconds. The default value is 0. WF= Window foreground color number. Anyone of the 16 values from the table below. WB= Window background color number. Anyone of the DARK shades, 0-7, from the table below. WR= Windowframe foreground color number. Anyone of the 16 values from the table below. WS= Windowframe background color number. Anyone of the DARK shades from the table below. LG= If TRUE, GT will keep a log of all BBS's called and files transfered. Default is FALSE. PD= Current phone directory name. Default is 'GT'. RC= Result codes. The code is defined by the numeric code and the code actually returned by the modem. There are 13 possible codes, only 12 of which are used. Example: RC=1,CONNECT * = Comment lines. Note: these entries may either be changed via the ALT-I command, or with any text editor that produces standard ASCII files, such as EDLIN. For Example: CM=1 ; ST=1 ; DA=8 ; PA=0 ; BA=1200 ; WA=333 ; PR=ATDT ; PO=| ; PF= ; MI=AT E0 V0 S0=0| ; SY=AT M1| ; SN=AT M0| ; RT=60 ; FC=FALSE ; CT=35 ; The DEFAULT defaults! DP=A:\ ; XO=17 ; XF=19 ; VT=FALSE ; LF=FALSE ; FG=15 ; BG=0 ; CC=; ; MX=64 ; PC= ; EL=CRLF ; AD=0 ; WF=7 ; WB=0 ; WR=15 ; WS=0 ; LG=FLASE ; PD=GT ; RC=0,0 ; Numeric result codes returned by . ; modem are the default. . ; There are 13 different results codes, . ; but only 12 are actually used. RC=12,12 ; Color Number Table: Dark Colors Light Colors ----------- ------------ 0 : Black 8 : Dark Gray 1 : Blue 9 : Light Blue 2 : Green 10 : Light Green 3 : Cyan 11 : Light Cyan 4 : Red 12 : Light Red 5 : Magenta 13 : Light Magenta 6 : Brown 14 : Yellow 7 : Light Gray 15 : White Received Character Processing - ANSI Emulation Mode. ---------------------------------------------------- Cursor Up .................................. ESC [ Pn A Cursor Down ................................ ESC [ Pn B Cursor Forward ............................. ESC [ Pn C Cursor Backward ............................ ESC [ Pn D Cursor Position ............................ ESC [ Pl ; Pc H Cursor Position (Home) ..................... ESC [ H Horizontal and Vertical Position ........... ESC [ Pl ; Pc f Horizontal and Vertical Position (Home) .... ESC [ f Set Scrolling Region ....................... ESC [ Pt ; Pb r Set Origin Mode ......see notes below....... ESC [ ? 6 h Reset Origin Mode .......................... ESC [ ? 6 l Index ...................................... ESC D Reverse Index .............................. ESC M Reverse Linefeed ........................... ESC I Next Line .................................. ESC E Save Cursor ................................ ESC 7 Restore Cursor ............................. ESC 8 Cursor Key Mode Set ........................ ESC [ ? 1 h or ESC = Cursor Key Mode Reset ...................... ESC [ ? 1 l or ESC > Select US Character Set .................... ESC ( B Select Line Drawing Character Set .......... ESC ( 0 Turn Off Character Attributes .............. ESC [ m Selects Bold Characters .................... ESC [ 1 m Selects Underlined Characters .............. ESC [ 4 m Selects Blinking Characters ................ ESC [ 5 m Selects Reverse Video Characters ........... ESC [ 7 m Set Horizontal Tab Stop .................... ESC H Clear A Horizontal Tab Stop ................ ESC [ g Clear All Horizontal Tab Stops ............. ESC [ 3 g Erase From Cursor To End Of Line ........... ESC [ K Erase From Beginning Of Line To Cursor ..... ESC [ 1 K Erase Complete Line ........................ ESC [ 2 K Erase From Cursor To End Of Screen ......... ESC [ J Erase From Beginning Of Screen To Cursor ... ESC [ 1 J Erase Complete Display ..................... ESC [ 2 J Delete Character At Cursor ................. ESC [ Pn P Insert Line At Cursor ...................... ESC [ Pn L Delete Line At Cursor ...................... ESC [ Pn M Select Insert Mode ......................... ESC [ 4 h Reset Insert Mode .......................... ESC [ 4 l Turn Printer On ............................ ESC [ ? 5 i Turn Printer Off ........................... ESC [ ? 4 i Turn Printer Controller On ................. ESC [ 5 i Turn Printer Controller Off ................ ESC [ 4 i Print Screen ............................... ESC [ i Request Cursor Position Report ............. ESC [ 6 n Response: Cursor Position Report .... ESC [ Pl ; Pc R Request ID ................................. ESC [ c Response: Terminal Type ............. ESC [ ? 6 c Notes: ESC is used to represent the escape character, decimal 27. Pn represents a variable numeric parameter, the parameter is a decimal number transmitted to the program by using ASCII characters. Pl represents the LINE, and Pc represents the COLUMN, these are numeric parameters sent using ASCII characters. Pt represents the TOP LINE of a scrolling region, and Pb represents the BOTTOM LINE of a scrolling region, these are numeric parameters sent using ASCII characters. The spaces shown are for readability, they are not sent by the Host. When "Origin Mode" is set, the cursor is confined to the scrolling region. Whenever a change takes place in the "Origin Mode", the cursor is moved to the home position. The cursor is also moved to the home position whenever a change is made in the scrolling region. Transmitted Characters - ANSI Emulation Mode. --------------------------------------------- Function Keys .............................. User Programmable. End ........................................ ESC O R Ctrl-End ................................... ESC O S Del ........................................ DEL Ins ........................................ ESC O n Home ....................................... ESC [ H PgUp ....................................... ESC [ O r PgDn ....................................... ESC [ O q Shift-Tab .................................. ESC [ O x Left Arrow ................Normal........... ESC [ C Keypad Mode...... ESC O C Right Arrow ...............Normal........... ESC [ D Keypad Mode...... ESC O D Up Arrow ..................Normal........... ESC [ A Keypad Mode...... ESC O A Down Arrow ................Normal........... ESC [ B Keypad Mode...... ESC O B Others ..................................... Standard Values. Note: The blanks are included for readability only. Scripts ------- The script language allows the user to automate most of the features of GT. Folowing is a description of the script syntax. Several preliminary comments about scripts: 1) they can be canceled by hitting either Ctrl-C or Ctrl-K, 2) the strings and other literal information in the syntax should be enclosed within "..." if they contain white-space, blanks, tabs or commas, otherwise they need not be so enclosed. All fields and operators must be separated on the line by the use of white-space. Scripts are interactive, so that the user can modify them on-the-fly. In order to do this, 10 variables have been setup, they are called V0 thru V9. They are referenced in either assignment statements or READLN statements. In order to use them, a technique called "variable substitution" is used. Instead of the V, the variable number is prefixed with a %, thus V0 thru V9, become %0 thru %9. Variable substitution may be done on any part of any command, the only rule is that the variable must be assigned a value prior to use, otherwise it will be a null string. The data in variables is stored as strings of characters, up to 80 characters long. At the end of this document there is a command summary for the script commands. They are listed in alphbetical order in the summary. Command Description and Example ------- ----------------------- SET Used to set the serial port parameters: baud rate, parity, data bits and stop bits. Example: SET 1200,N,8,1 This would set 1200 baud, no parity, 8 data bits and one stop bit. Legal baud rate values are: 300, 1200, 2400, 4800 and 9600. Legal parity values are N=none, E=even and O=odd. Legal data bits are 7 or 8. Legal stop bits are 1 or 2. ONLINE Used to exit, temporarily, from script to manual mode. Useful when using a script to call a host and then go into manual operation once connected. Example: ONLINE Note, when you press ALT-X, you exit back to the script and script execution begins where it left-off. EXIT Used to exit the program from within a script. Example: EXIT ECHO Causes script commands to be displayed on the screen as they are executed. Useful for debugging new scripts. Example: ECHO SCREEN Used to turn-off the screen display, i.e. stop incoming data from appearing during the WAIT command. Example: SCREEN OFF turns screen off. SCREEN ON turns screen on. CAPTURE Used to turn-on Capture Mode from within a script. There are two forms: "CAPTURE" and "CAPTURE filename". The first form is used to begin capturing data, the second form terminates Capture Mode and names the file to receive the captured data. Example: CAPTURE { Begin capturing here } . . . CAPTURE filename { Finish capturing here } CD Change directories. Example: CD directory Works like the DOS equivalent, except that it has no display function. Drive Change Change default disk drive. Example: C: Works like the DOS equivalent. DUPLEX Toggle between full and half duplex. The starting condition is FULL duplex. Example: DUPLEX QUIET Toggle the beeps on and off. The starting condition is to have beeps ON. Example: QUIET PRINT Toggle the printer on and off. The printer will run as data is received from the host. Equivalent to Ctrl-PrtSc. Example: PRINT HANG-UP Used to hang-up the modem. Example: HANG-UP BREAK Used to send a Space Break to the host. Some hosts will use this to wake-up and logon the user, mostly UNIX systems and other mini-computers. Example: BREAK WAIT Used to make the execution of the script wait for a particular string to be sent from the host. Example: WAIT FOR string or: WAIT n FOR string The string may be in "...", if embedded blanks are required. In the 2nd form, the "n" represents the number of seconds to wait before timing-out the host. Note, the timeout clock only counts down when no data is being sent by the host. If the first form is used, the default time-out period is 40 seconds. AWAIT Used to delay execution of the script until the designated time. Example: AWAIT hh:mm:ss or: AWAIT 9:45:00 The time is formated hours, minutes and seconds, all fields must be entered. TWAIT Timed wait, in milleseconds. The maximum wait period is 32767 milleseconds. Example: TWAIT number The "number" is the number of milleseconds to delay the execution of the script. SEND Used to send a string to the host. The string may contain the | character, which will be changed to a Carriage Return. Example: SEND string Again the string may be in "...", if embedded blanks are required. SENDLN Same as SEND above, but sends a Carriage Return at the end of the string. Example: SENDLN string WRITE Used to write a string to the screen, does not send to the host. Example: WRITE string WRITELN Used to write a string to the screen with a Carriage Return, Linefeed combination at the end of the line, does not send to the host. Example: WRITELN string DIAL Used to dial the modem. Example: DIAL phone# WITH REDIAL or DDIAL name WITH REDIAL The phrase WITH REDIAL is optional. In the second form, DDIAL, the "name" is found in the user's dialing directory and the parameters for baud rate, and phone number are set automatically. If the "name" cannot be found in the directory, then the script will resume execution after the next END statement, as if the host was unavailable. The "name" does not have to be complete, it searches for the first BBS name in the directory that contains "name" within it. Upper and lower case letters are treated the same. The commands, following the DIAL or DDIAL command, may be grouped together to form the commands required to access a particular host. The END command is used to mark the end of such a group. If a connection cannot be made with the host, then the commands between the DIAL and the END are skipped. If no END is found, the rest of the commands in the script are skipped. Please refer to the sample script that comes with the documentation. EXCH Causes the program to exchange directories. So that more than 1 phone directory may be used. Example: EXCH DIRECTORY filename Where the word DIRECTORY is optional. The filename is the name of the new phone directory. Note, there is one difference between the script command and the manual, ALT-D, method to do this: this file must exist or an error will occur. With the manual method, the file will be created, if it does not already exist. Note: The filename on the EXCH command must not contain any path information. The program looks for all phone directories under the "Directory PATH" from the configuration file. Use the ALT-I command to set. END Used with DIAL to group commands for a particular host. NAME Used to name the host that the user is calling. Shows up on the Redial window. Used with the DIAL command. Not used with the DDIAL command, because the BBS name from the dialing directory is used. Example: NAME string AUTOBAUD Used after the DIAL or DDIAL command to set the hosts baud rate to the caller's. The AUTOBAUD command can use the Carriage Return or the blank to set the rate. Usually, the Carriage Return is used and it is the default, however some systems require the blank. Example: AUTOBAUD for Carriage Return use. AUTOBAUD BLANK for blank use. FLUSH Flushes the contents of the serial input buffer. Useful prior to an ONLINE or before dialing a new host. Example: FLUSH CLEAR Used to clear the screen and place the cursor in the home position. Example: CLEAR BEEP Causes the speaker to emit a beep. Example: BEEP EMULATE Starts or stops ANSI standard terminal emulation. Example: EMULATE TRUE begins emulation. EMULATE FALSE ends emulation. SPLIT Starts or stops Split-Screen operation. Example: SPLIT SCREEN TRUE begins Split-Screen. SPLIT SCREEN FALSE ends Split-Screen. WHEN Sets up a string to trap out, while waiting with the WAIT command. Whenever the indicated string is trapped, then the response shown will be sent to the host. This feature is mostly used to trap the "More" string and send a Y or N to the host. If required by the host, a Carriage Return maybe inserted in the response string by using a | character. Example: WHEN "More" THEN "N" This will keep the WAIT command from getting stuck at the "More" prompt. Note: only the most recent WHEN command remains in effect. XMIT Transmit using the Xmodem protocol. Example: XMIT filename Transmits a file to host. XMIT *.pas Transmits all files with the .PAS extension on the default drive to the host. Note: the host must be Modem7 and/or Telink compatible if wildcards are used. YMODEM Transmit using the Ymodem protocol. Example: YMODEM XMIT filename Transmits a file to host, using Ymodem. The word XMIT is optional. RECV Receive using the Xmodem or Ymodem protocol. The host selects which protocol to use and GT complies. Example: RECV filename Receives a single file from the host. RECV * Receives a batch of files from the host. The filenames are supplied by the host. Note: the host must be Modem7 and/or Telink compatible if the * is used. In this form you MUST specify only the * or the complete filename. KERMIT RECV Receive a batch of files using the Kermit protocol. Example: KERMIT RECV * The file names are supplied by the host. KERMIT XMIT Transmit a batch of files to the host using the Kermit protocol. Example: KERMIT XMIT filename Transmit a single file to the host. KERMIT XMIT *.dat Transmit all files with the .DAT extension to the host. Note: the batch of files cannot exceed 30 files, otherwise the first 30 files that match the mask are transmitted. CALL Invoke the execution of a nested script. Example: CALL scriptname This is alot like subroutines. The called script will execute and Return to the calling script when finished. Scripts may be nested in this manner, to any desired depth (assuming you have enough memory!). Turbo PASCAL's ability to process recursive procedures makes this feature possible. CYCLE When found, it causes the script processor to repeat execution of the script from the beginning. For example, when you wish to make a script to dial a list of BBS's, then repeat the script when finished it would look like this: NAME "xxxxxxxxxxxx" DIAL "123-4567" AUTOBAUD ONLINE END NAME "yyyyyyyyyyyy" DIAL "123-4567" AUTOBAUD ONLINE END . . etc., etc... . CYCLE 5 TIMES The CYCLE command in the example above would cause the script to repeat 5 times. If the cycle count is not specified, then 10 times is the default. Note: it is not good practice to put script commands that toggle between on/off states in a cycled script, unless you cycle them back to the original state before the CYCLE command is issued. Otherwise the command will cycle on/off from execution to execution. An example of a toggle command is DUPLEX or QUIET, you should put them into initialization scripts and then cycle a CALLed script. For example: Script-a -------- QUIET Toggle beeps off. ECHO Toggle command echoing on. AWAIT 1:30:00 Wait for 1:30 am. CALL script-b Execute script-b. Script-b -------- NAME "xxxxxxxxxx" Name who we are calling. DIAL "123-4567" Dial the modem. . . etc., etc... . CYCLE 5 TIMES Execute script-b 5 times. Variable Variables can be assigned values in 2 ways, thru the Assignment READLN command below, or within the script itself, they can be assigned values, much the same way it is done in FORTRAN and other high-level languages. The syntax is: Vn = value For example: V0 = "the PC Interconnection" V7 = "772-2090" V2 = "Johnny Jones" Note the use of blanks to isolate the "=" from the other fields, this is REQUIRED. READLN This command is used to read data from the operator into one of the 10 variables. The variables have pre-assigned names: V0 - V9. The syntax is: READLN variable_name For example: WRITE "Enter desired time to start. (hh:mm:ss): " READLN V2 AWAIT %2 Notice the %2 in the 3rd line of the example, the % tells the script processor to do a variable substitution at this point, so the value input for variable 2 is inserted into the AWAIT command. Thus causing the script to pause until the desired time. Note: When resonding to a READLN, the user must type the response followed by a Carriage Return. If the user wants to terminate the script at the READLN command, enter ^C followed by a Carriage Return. CASE & ESAC Those of you familiar with UNIX should recognize the use of ESAC, case spelled backward. For the others, ESAC is used to mark the end of the CASE statement. The CASE statement is used to test for truth or falsity of some condition, for example it could be used to implement a menu. The syntax is: CASE target_value OF op1 test_value1 statement-1 statement-2 . . . op2 test_value2 statement-1a statement-2a . . . . . . ESAC Where there may be any number of "op" tests and any number of statements between "op" tests. The CASE statement will perform the following test until it reaches the 1st one that is TRUE, (target_value op test_value), if TRUE then the statements associated with the test are executed. ONLY one set of statements is selected, as soon as they have completed the remaider are skipped, until the ESAC is encountered. Execution continues after the ESAC. If no test evaluates to TRUE, then all are skipped and execution begins after the ESAC. Possible "op" codes are: = Test for equality. > Test if target_value greater than test_value. < Test if target_value less than test_value. >= Test if target_value greater than or equal test_value. <= Test if target_value less than or equal test_value. ? If no other test prior to this evaluated to be TRUE, then this will be TRUE. Usually placed just before the ESAC. There is no need for a test_value with this "op" code. This is a default operator. For example: CLEAR WRITELN WRITELN "Communications Menu" WRITELN "-------------------" WRITELN "1. Call the PC Interconnection BBS" WRITELN "2. Call the Fido's Partner BBS" WRITELN "3. Call the Dow-Jones News Retrieval Service" WRITELN "4. Call the Compuserve BBS" WRITELN "5. Exit to DOS" WRITELN WRITE "Enter your choice. " READLN V1 CASE %1 OF = 1 CALL PCINSCRP = 2 CALL FIDOSCRP = 3 CALL DOWJSCRP = 4 CALL COMPSCRP = 5 WRITELN "Goodbye, and thanks for using your computer." WAIT 3000 EXIT ? WRITELN BEEP BEEP WRITELN "Your only choices are 1 thru 5." WAIT 10000 CYCLE ESAC Notice how all fields are entered with "white space" between them. This is required, as "=5" is wrong, and "= 5" is correct. Script Command Summary ---------------------- AUTOBAUD ......... Send a whacking Carriage Return to the host. AWAIT ............ Wait for a specified time. BEEP ............. Make a short beep on the system speaker. BREAK ............ Send a "Space Break" to the host. CALL ............. Invoke another script, like subroutines. CAPTURE .......... Toggle capture mode ON/OFF. CASE ............. Test the value of a variable. CD ............... Change disk directories. CLEAR ............ Clear the screen. CYCLE ............ Repeat execution of the current script. DDIAL ............ Dial a host from the phone directory. DIAL ............. Dial the specified phone number. Drive Change ..... Change the default disk drive. DUPLEX ........... Toggle duplex between FULL/HALF. ECHO ............. Echo script commands to the screen. EMULATE .......... Set ANSI terminal emulation. END .............. Groups commands with a DDIAL or DIAL command. ESAC ............. Terminates a CASE command. EXCH ............. Change to a different phone directory. EXIT ............. Used to exit the program. FLUSH ............ Throw away the contents of the serial buffers. HANG-UP .......... Hang up the modem. KERMIT ........... Transmit or receive via Kermit protocol. NAME ............. Used with DIAL command to name the host. ONLINE ........... Allows user to temporarily leave the script. PRINT ............ Toggles the printer ON/OFF. QUIET ............ Toggles the beeper ON/OFF. READLN ........... Reads input from keyboard into a variable. RECV ............. Receive a file via Xmodem, Ymodem or Telink protocols. SCREEN ........... Toggle screen output ON/OFF while WAIT is active. SEND ............. Send a string to the host. SENDLN ........... Send a string to the host, followed by Carriage Return. SET .............. Used with DIAL command to manually set comm params. SPLIT ............ Set split screen mode. TWAIT ............ Timed wait in milleseconds, max wait is 32 seconds. Variable Assign .. Assign a value to a variable. WAIT ............. Wait for some string to be received from host. WHEN ............. Trap a string sent from host and respond. WRITE ............ Write a string to the screen. WRITELN .......... Write a string to the screen, followed by Carriage Return. XMIT ............. Transmit a file via Xmodem or Telink protocols. YMODEM ........... Transmit a file via Ymodem protocol.