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INSTALL.B&F
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1990-06-05
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Installing Back & Forth from a floppy disk to the hard disk!
Please read this section on how to install Back & Forth on your hard disk.
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In the below example, the machine that we are installing B&F onto has:
640k RAM
Drive A: is a floppy disk
Drive C: is a hard disk with 5 megabytes free
Drive D: is a hard disk with 10 megabytes free
Drive E: is a RAM disk with 4 megabytes available
EMS memory with 2 megabytes available
Note: This is not the minimum configuration required; it is only stipulated
so that we can demonstrate the installation of Back & Forth onto your system
using various system elements.
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Step 1: Creating the B&F directory
Create a directory on your hard disk C named B&F and make it the
current directory. If you wish to use another disk or directory,
substitute that name below as appropriate.
C:
MD C:\B&F
CD \B&F
──────────────────────────────────────────────────────────────────────────────
Step 2: Copy B&F to the directory
Copy the B&F-1xx.EXE self-extracting file into the B&F directory. The
'*' character is a wildcard character used to copy all files starting
with the characters B&F and ending with EXE. The '1xx' represents the
version number of B&F that you have.
COPY A:B&F*.EXE C:\B&F
──────────────────────────────────────────────────────────────────────────────
Step 3: Extracting B&F
The B&F-1xx.EXE file is a self-extracting file used to store all B&F
files in one easy-to-transport package. To extract the file, type the
name of the file at the DOS prompt, as if you were trying to run it.
Replace the '1xx' with the current version number shown for the file.
B&F-1xx
──────────────────────────────────────────────────────────────────────────────
Step 4: Using HD-SETUP.EXE
A setup program has been provided which will create either one or two
batch files for use in running Back & Forth. These batch files set
the DOS environment variable, log to the Back & Forth directory, and
execute Back & Forth. The second batch file uses the detected memory
management software, either QEMM or 386-to-the-Max to load Back &
Forth into high memory. This batch files are B&F.BAT and B&FHI.BAT.
Once the Back & Forth has been extracted from its storage file, run:
HD-SETUP
If you have a black and white or composite monitor, run HD-SETUP with
the following command line parameter:
HD-SETUP /BW
If you have a CGA card, run HD-SETUP with the following:
HD-SETUP /SNOW
--------------------------------------------------------------------
The contents of B&F.BAT: C:
CD C:\B&F
SET B&F=C:\B&F
B&F %1
The contents of B&FHI.BAT: C:
(with QEMM) CD C:\B&F
SET B&F=C:\B&F
LOADHI BNFHIGH
BNFLOW %1
The contents of B&FHI.BAT: C:
(with 386-to-the-Max Pro) CD C:\B&F
SET B&F=C:\B&F
386LOAD PROG=BNFHIGH
BNFLOW %1
The contents of B&FHI.BAT: C:
(with 386-to-the-Max) CD C:\B&F
SET B&F=C:\B&F
386MAX LOADHIGH
BNFHIGH
386MAX LOADLOW
BNFLOW %1
The %1 lets you enter the "GO" parameter, which bypasses the Swap Drive Setup
screen. For example, to run B&F using this batch file with the "GO" command,
type the following at the DOS prompt:
B&F GO
This bypasses the Swap Drive setup screen and immediately enters the Back &
Forth main screen. If you have programs set up for Automatic loading, they
loaded without further ado.
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Step 5: Installing the swap areas for B&F
You are now ready to define the swap areas for Back & Forth. This
is only required the first time B&F is run and any time that its
its memory allocation needs to be changed. To run B&F, you must be
located within its program directory. This allows us to save 1.5k
for your programs' use.
──────────────────────────────────────────────────────────────────────────────
Step 6: Using the Swap Drive Setup
When the Swap Drive setup is used, a menu is shown listing the
possible swap areas that can be specified and the information
needed. Not all of these entries must be filled. Here is where
our hypothetical system defined at the beginning of this file
comes into use.
Most of these entries need two items of information defined. We
are going to describe them individually, below. Please understand
that the amounts shown are approximate, they vary between systems.
* B&F swap drive
This is where the B&F program itself is stored when you run a program
from Back & Forth. The swap space needed is based on the programs
loaded globally. Plan on 19k per task if UltraVision is loaded
before B&F, else plan on 4k. Select the fastest swap drive available, since this data is routinely accessed. It needs
approximately 80k of space. The fastest storage device available
should be used to store its information, since it will probably be
the data swapped most often. In our system, the Drive E: RAM disk
should be used.
Move the cursor to the B&F drive entry and press E.
* Video swap drive
This is where screen information generated by the swapped programs is
stored. We decided to use a separate swap area for this information
since this amount can be variable, depending solely on the screen
shown at the time of the swap and the graphics mode in use. Use a
hard disk for this information. If you assume the worst case: running
9 programs at once in graphics mode with complicated graphics screens,
approximately 1megabyte will be needed. Most graphics screens are
between 8-96k in size. In our system, use either of the hard disks,
just make sure that 1m is always available for use.
Move the cursor to the Video swap entry and press C.
* Conventional memory
This is not user-definable, it simply tells you how much memory is
available for use in running a program under B&F. This amount is
arrived at by taking the amount of RAM, subtracting the amount of
memory occupied by DOS, loaded device drivers, TSRs, and the B&F
module (approx. 12-16k). Our hypothetical system shows approximately
552k available (640k - 72k(DOS) - 16k(B&F)). This amount is only an
approximate.
* Use expanded memory
If EMS memory is detected on your system, this will be shown On, with
the maximum amount shown to its right. Allocate as much of it as you
can spare. If the EMS memory on your system is created by a program
by allocating hard disk space or extended memory, do not use this
memory. Too much of it is usually used to store disk tables, etc and
it is potentially unreliable and slow. For our hypothetical system,
allocate all of it to B&F. If your programs use this memory, be sure
to take the amount needed by those programs into account when
allocating this memory.
Move the cursor to the Use expanded memory amount and enter 2000.
* Use extended memory
Sets whether extended memory is to be used and if so, how much is to
be used by B&F. If none is found, this cannot be selected.
None is available so none is allocated.
* Program swap drive 1-3
Below the EMS entry are shown three program swap drive entries. Not
all of these must be filled. If you have one drive with enough disk
space to accomodate the maximum swap amount possible, define only
one of these entries, leaving the other 2 blank.
At the bottom of the screen, within the help dialog box, the maximum
possible swap amount is shown. This amount is computed by multiplying
the conventional memory available by 20 (the maximum number of tasks)
and adding 152 (the space needed to store B&F overlay data). On our
system, approx 11192k are needed if 20 tasks are to be run at once
using 552k each. If you plan to run fewer tasks or know that some of
the tasks require less memory, use a lesser value. This swap space
is allocated when B&F is first run, thus ensuring that enough space
is available for use. Also, the amount of memory used to store a
program is specified when it is defined for execution.
For our example,we only plan to run 9 tasks. This means approximately
5120k is needed. On our example system, with 552k conventional memory
and 2000k EMS memory allocated, only 2568k must be allocated on the
program swap disks. For quicker response time, use as much RAM disk
space as possible. In this case, 5120 - (552 + 2000) = 2568.
Move the cursor to the first program swap entry and press E. Now
enter the amount of swap space: 2568k.
Leave the last two program swap drive entries blank.
──────────────────────────────────────────────────────────────────────────────
Step 7: Saving the Swap Drive Setup options
Once the swap areas are defined, press [F9]. This saves the settings
defined within this menu and runs B&F.
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Setting up Back & Forth
Once you have selected [F9], you are then passed into the Back & Forth main
screen. The first time Back & Forth is run, no programs are defined so the
screen looks strangely empty. To remedy this situation, press [F7] to enter
the Setup menu.
When the Setup menu is displayed, a list of options are shown on the screen.
The one that we are interested in at the moment is the [P] Program setup
option. Press [P] to enter the Program setup. When selected, a blank program
list window is shown on the screen. Press [F3] to Add a program entry.
You are now prompted for a lot of program information.
The above should get you going! If you can't get the program running, please
don't hestitate to call me at (512) 670-1061 for aid. Please note, if we are
not available, please leave your name on the answering machine and call back
later.
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