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MEMORY.FIL
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Text File
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1994-10-17
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9KB
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198 lines
M E M O R Y C O N F I G U R A T I O N
MEMORY REQUIREMENTS
In order to play the game you need 590k of free conventional
random access memory (RAM) and 1 MB of free expanded memory
(EMS). Just because your computer has total memory of 2MB or
more does not always mean you can run the game under your
computer's current configuration. For example, your memory
above the 1MB DOS area may not be configured for EMS. (Windows
users generally do not set aside any EMS memory.) Also, you may
have drivers and terminate and stay resident programs residing
in RAM that leave less than 590k of free RAM.
TESTING FOR SUFFICIENT MEMORY
Run the MS-DOS memory program by using MEM <Enter> and check
the displayed results. You need at least 604,160 bytes
largest executable file size (free RAM) and at least
1,048,000 bytes free EMS memory (expanded memory).
If you don't meet the above requirements then you must
reconfigure your config.sys and autoexec.bat files, or create
a separate boot disk.
If you wish to reconfigure your computer, consult the DOS
manual. Keep in mind that any changes you make may affect
other programs. If you're not sure of what you're doing, then
the safest course of action is to make a separate boot disk.
The following instructions refer to DOS 5.0 and 6.0 and 386 or
faster CPUs. If you are using a DOS compatible operating system,
such as DR-DOS, or a compueter with a 286 CPU, check your
instruction manuals. Also, the following instructions do not
include directions for using data compression. If you are
going to use the games in compressed file format (using
Stacker, DOS 6.x compression, etc.), the config.sys and
autoexec.bat files must be configured to run the compression
software.
CREATING A BOOT DISK
Format a disk for the floppy drive which is your boot drive.
Use the DOS command format /s <Enter> (see the DOS manual).
This will format the disk and copy to it the command.com file
and the hidden system files.
From your DOS directory copy to the boot disk the following
files:
himem.sys emm386.exe
If you wish to play the game with the mouse, copy your mouse
system driver file to the boot disk. It must be a .sys file
(usually has the name mouse.sys). Next you must place the
config.sys and autoexec.bat files onto the boot disk.
WARNING - CREATING CONFIGURATION FILES WITH A WORD PROCESSOR
Do not create the config.sys file and the autoexec.bat file
for the boot disk at the root level of drive C:. The
config.sys file for your current configuration resides there.
If you use your word processor to create a new config.sys and
autoexec.bat files in the root of drive C: you will wipe out
your old config.sys and autoexec.bat files. Generally you
shouldn't have this problem. Nearly all wordprocessing
programs are configured to create and save files in a
subdirectory, not the root directory of drive C:. If you're
not sure, then it's best to create the boot disk files on the
boot disk itself.
CONFIG.SYS FILE - NO MOUSE
Create a DOS text file as follows:
device=himem.sys
dos=high
device=emm386.exe 1024
files=20
buffers=10
You may use any wordprocessor but make sure you save the file
as an ASCII or DOS text file. (Do not save the file as a
formatted wordprocessing file.) The file must be named
config.sys. Copy this file onto the boot disk.
CONFIG.SYS FILE - MOUSE DRIVER
Create a DOS text file as follows:
device=himem.sys
dos=high,umb
device=emm386.exe 1024 ram
devicehigh=mouse.sys
files=20
buffers=10
If your mouse driver is not "mouse.sys" then change the line
"devicehigh=mouse.sys" to reflect the name of your mouse
driver. For example, if your mouse driver is "ffmouse.sys"
then the line should read "devicehigh=ffmouse.sys" not
"devicehigh=mouse.sys."
You may use any wordprocessor but make sure you save the file
as an ASCII or DOS text file. (Do not save the file as a
formatted wordprocessing file.) The file must be named
config.sys. Copy this file onto the boot disk.
AUTOEXEC.BAT FILE
Create a DOS text file as follows:
prompt=$p$g
path=c:\;c:\dos
If your DOS utility files are not in the directory c:\dos then
change the "path" line to reflect the name of the directory
which contains the DOS files. For example, if your DOS files
are in "c:\dosfiles" then the path line should read
"path=c:\;c:\dosfiles" not "path=c:\;c:\dos."
You may use any wordprocessor but make sure you save the file
as an ASCII or DOS text file. (Do not save the file as a
formatted wordprocessing file.) The file must be named
autoexec.bat. Copy this file onto the boot disk.
USE OF THE BOOT DISK
Before using the boot disk make sure it has the following
files
command.com
himem.sys
emm386.exe
config.sys
autoexec.bat
It must also contain your mouse driver, such as mouse.sys, if
you wish to play the game with a mouse.
To boot your computer from the boot disk, place the boot disk
in the boot drive (typically drive A:). Reset the computer
using the reset switch, or the keyboard combination Ctrl-Alt-
Del, or simply turn the computer off, wait a few seconds, then
turn the computer on.
The computer will now boot (load DOS) from the boot disk you
created and configure 1 megabyte of your computer's extended
memory to act as expanded memory. Test that the configuration
is proper by using the DOS memory program (MEM <Enter>). The
memory program should show that you have approximately 629,000
bytes as the largest executable file size, and 1,048,576 bytes
of free EMS memory.
WHAT THESE FILES DO
The autoexec.bat file for the boot disk causes the computer to
display standard prompts which show the drive and subdirectory.
It also causes the computer to first search the root of drive C:
then the DOS directory when you issue a file execution command
from DOS.
The config.sys file allows DOS to access the high memory area
(1024k through 1088k), loads most of the DOS system files in
that high memory area, and treats 1 megabyte of extended
memory as expanded memory. The version of the config.sys file
that loads a mouse driver allows DOS to have access to the
upper memory block (640k through 1,024k) and places the system
driver in that memory block. Note: Some mouse drivers may not
load into upper memory. In that case, it will be loaded
automatically in RAM. If after the mouse driver is loaded the
amount of available RAM is less than 604,000 bytes, then you
should use the config.sys file version that does not load the
mouse driver.