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- vFAST v1.0
- Copyright 1994 (c) International TeleCommunications
- All Rights Reserved
-
- Introduction
-
- vFAST was designed specifically for v32, v32bis, and vFAST
- modems. You should not attempt to use vFAST with a 2400 baud
- modem unless your modem is error correcting. The reason, a
- single error could produce a resend request for as much as
- 8192 bytes. It COULD be as little as 256 bytes but the risk
- of 8192... well that is up to you.
-
- vFAST needs ONE of the following:
-
- 16550 Uart
- Intelligent Digiboard (2, 4, 8, or 16 port).
- Intelligent Stargate.
- Intelligent Arnet.
-
- If you don't have one of the above, well try and see. You
- MIGHT be able to keep up but I doubt it.
-
- vFAST is just what the name implies, a vERY FAST protocol,
- it'll run circles around Zmodem.
-
- vFAST uses DUAL 16 bit CRC's to protect data. Each SHORT
- block of data has a 16 bit CRC and every 8192 bytes has
- another 16 bit crc. In short, CRC's inside of CRC's. Just as
- effective as one single 32 bit crc but has much less CPU
- overhead.
-
- vFAST has RESTART recovery for aborted transfers as well as
- SKIP for files you ALREADY have.
-
- One way to BOOST speed and cut down on CPU overhead is to
- reduce SCREEN writes to a bare MINIMUM. We'll only show you
- enough data on the screen to let you know what is going on.
- We'll only update the screen, unless an error occures, every
- 8192 bytes.
-
- You can ABORT a transfer by pressing ESC. Again, to keep CPU
- overhead low, we only check the keyboard every 8192 bytes
- so there may be a short delay between the time you press
- ESC and the program acknowledges the ESC.
-
- Once you see the acknowledgment, nothing may appear to happen
- for upwards of 10 to 12 seconds. vFAST is attempting to clear
- out the RX buffer and phone lines before exiting, to prevent
- garbage from spraying all over your screen.
-
- Command Line Switches
-
- vFAST supports the following command line switches:
-
- -Tx Use Timeslicing when you cannot send or
- receive anything. x is the TYPE of time
- slicing. Valid TYPES are:
-
- D Desqview
- O OS-2
- W Windows
-
- If you use OS-2 or Windows Time Slicing, you
- must have have DPMI turned on.
-
- -Bxxxxx xxxx is the connect baud rate.
-
- -Pxxx xxxx is the serial port, 1-4 if using the
- standard internal driver.
-
- -Lxxxx xxxx is Serial LOCK rate, 9600 - 115200.
-
- -S <Fnames> Start Sending files. Fnames is the names of
- the files to send. Each name should be
- separated by a single blank space. If Fnames
- is prefixed with an AT sign, @, vFAST will
- ASSUME Fnames is the name of a SEND control
- file.
-
- E.g. -S @C:\TERM\SEND.CTL
-
- SEND.CTL would be a text file listing the
- files to send, one per line. Drive, path,
- and DOS wildcards supported.
-
- This must be the LAST command line switch used.
-
- -D<TYPE> The TYPE of serial driver to use. Valid <TYPE>
- are:
-
- D Digiboard
- S Stargate
- A Arnet
-
- The default is the internal (Standard DOS type
- serial ports) highspeed serial driver.
-
- -N*N If you're running vFAST as a protocol driver
- with Osiris XLT, include this switch.
-
-
- -R Begin Receiving, must be the LAST command line
- switch used.
-
- -K Disable Keep Aborted Transfers. The default it
- to keep all partial transfers. If you use this
- driver as an external protocol driver for a BBS
- you'll want to include this on the command
- line.
-
- -U<PATH> This tells vFAST to place all files you receive
- in THIS directory. This feature is ONLY
- available if you register vFAST.
-
- The minimum command line for RECEIVING a file would be
- something like this:
-
- vFAST -B<BaudRate> -L<LockRate> -P<Port Number> -R
-
- The minimum command line for SENDING a file would be
- something like this:
-
- vFAST -B<BaudRate> -L<LockRate> -P<Port Number> -S <Ctl Filename>
-
- Notice that I assumed a LOCKED serial port.
-
- Example of an Osiris XLT Rcv cmdline:
-
- VFAST -B*B -L*L -N*N -P*P -K -R
-
- Example of an Osiris XLT Send cmdline:
-
- VFAST -B*B -L*L -N*N -P*P -S @*U
-
- Shareware
-
- vFAST is shareware. Meaning you can use it for up to 30 days
- without registering it. When you finish your download, or
- uploads, the shareware version will pause for 60 seconds.
- Registering vFAST removes this delay and enables the -U
- switch.
-
- (Cut Here)
- -------------------------------------------------------------
-
- vFAST Order Form
-
- Send $15.00 (US Currency) to:
-
- International TeleCommunications
- 302 W. Mckinley
- Poplar Bluff Mo. 63901-6372
- United States Of America
-
-
- Register To (___________________________________)
-
-
- A registration key will be placed on our BBS at (314) 686-
- 0120 for you. The key will be password protected so only YOU
- can download it. What Password do you want to use?
-
- Password (________)
-
- ____________________________________________________________
- (Cut Here)
-