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1996-11-07
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Advanced Gravis Computer Technology Ltd.
Fax (604) 431-5155 BBS (604) 431-5927 V32bis
Compuserve: GO PCVENB (71333,350) InterNET EMail: tech@gravis.com
FidoNET: 1:153/978 SBCNET: 13:900/3
AOL: Adv Gravis Genie: Page M805 Topic 6
MEGA-EM VERSION 3.11 - 11/25/95
USERS MANUAL
Copyright (C) 1993-1995 by Advanced Gravis Computer Technology Ltd.
All Rights Reserved
1.0 Legal Information
2.0 Introduction
3.0 Installation
4.0 Setup
5.0 Mega-Em Usage
6.0 Compatibility Problems With Various Software
7.0 Solutions to Commonly Encountered Problems
8.0 Answers to Commonly Asked Questions
9.0 Credits
10.0 Mega-Em Revision History
1.0 LEGAL INFORMATION
----------------------
This software and documentation are protected by copyright law,
with all rights reserved. Copyright is held by:
Advanced Gravis Computer Technology Ltd.
#101, 3750 North Fraser Way
Burnaby, B.C. V5J 5E9
CANADA
This software is provided as-is. Advanced Gravis makes no warranties,
express or implied, and does not warrant that the software will be fit
for any particular purpose. Advanced Gravis will in no event be liable
for loss of profits, nor incidental or consequential damages. You use
this software at your own risk.
This software may not be modified, disassembled or reverse engineered
in any way without written authorization from Advanced Gravis.
Mega-Em may be distributed in unmodified form freely to all Gravis
UltraSound owners, provided no charge is made for it, with the exclusion
of BBS (Bulletin Board System) service charges.
All trademarks and registered trademarks are the property of their
respective owners.
2.0 INTRODUCTION
-----------------
Mega-Em is a software program which allows you to use your Gravis UltraSound
to emulate the following sound devices:
* Roland MT-32/LAPC1
* Roland Sound Canvas/General MIDI
* Roland MPU-401 MIDI interface
* Sound Blaster (Basic version only - not Sound Blaster Pro)
In addition Mega-Em can also to replace the UltraMID TSR.
Mega-Em effectively combines all previous UltraSound TSR programs -
(IW)SBOS, UltraMID and older versions (2.xx) of Mega-Em.
Mega-Em currently requires the following to function correctly:
* A 386 or better AT class personal computer.
* A hard drive.
* A Gravis UltraSound/MAX/ACE card.
* An Expanded Memory Manager, such as EMM386, QEMM386 or 386MAX.
* Approximately 128k of free Expanded Memory (EMS).
* DOS 3.3 or later (EMM386 must be from DOS 5.0 or later).
Mega-Em will not work in an OS/2 or Windows DOS box.
3.0 INSTALLATION
-----------------
If Mega-Em was installed with the rest of your UltraSound software Mega-Em
is already installed correctly and you do not read this chapter.
If you downloaded Mega-Em from a BBS, FTP site etc., follow the following
instructions:
Step 1. Change to the directory where your UltraSound software is
installed. For example, if your UltraSound software is installed
in C:\ULTRASND, type the following:
C: <ENTER>
CD \ULTRASND <ENTER>
Step 2. Unzip the Mega-Em distribution archive into this directory. For
example if the archive is on a floppy disk in drive A:, you would
type:
PKUNZIP A:\MEGA* <ENTER>
If you are prompted with a message asking if you want to
overwrite an existing file, press 'y'. Note that you will most
likely overwrite an older version of Mega-Em.
Mega-Em is now installed and ready to use.
4.0 SETUP
----------
Unlike old versions, Mega-Em now has an interactive setup program. You
MUST set up Mega-Em before you can use it. If Mega-Em has not been set
up properly and you run MEGAEM.EXE, you will be forced into the setup
program. Alternatively you can run MESETUP.EXE to enter the setup.
The setup is self explanatory and will only be dealt with lightly here:
* Instructions on what keys to press are always listed at the bottom of
the screen.
* Entering the configuration screen from the Main Menu is not compulsory.
If you are configuring Mega-Em for the first time and just select
"Save and Exit" you will configured with the default options.
* The default options will work for most users so don't change them
unless you need to and understand what they do.
5.0 MEGA-EM USAGE
------------------
5.1 Overview
5.2 Command line options
5.3 Configuring Software For Use With Mega-Em
5.1 OVERVIEW
Before you can use any Roland or Sound Blaster software you must load
Mega-Em. You can do this from the command line by typing:
MEGAEM <ENTER>
If you like, you can edit your AUTOEXEC.BAT file so Mega-Em will be
automatically load whenever you boot your computer. Just add the following
line to the end of your AUTOEXEC.BAT:
MEGAEM
If you wish to use any command line options, type them after MEGAEM:
MEGAEM [options] <ENTER>
Normally you can leave always leave Mega-Em loaded. Occasionally it may
interfere with other UltraSound software or you may wish to use another
UltraSound TSR (e.g. (IW)SBOS or UltraMID). If this happens, unload
Mega-Em by typing:
MEGAEM -U <ENTER>
If you need to change Mega-Em's options just to run a particular piece of
software (such as Roland MT-32 software) you can invoke the interactive
menu by typing:
MEGAEM -I <ENTER>
Any options you change will stay in effect until you run Mega-Em again.
If you run Windows in enhanced mode (usually this is the default mode)
Mega-Em will be automatically uninstalled. When you exit Windows you must
manually load Mega-Em again. Mega-Em will not be uninstalled if you run
Windows in standard mode (type WIN /S <ENTER>) however the UltraSound
Windows drivers will not work and you can NOT emulate a Roland or Sound
Blaster under Windows.
5.2 COMMAND LINE OPTIONS
Only a few of Mega-Em's options are configurable from the command line.
The rest you must configure from the interactive menu (see the -I option).
-? or -H Displays the Mega-Em help screen.
-U or -F Turn off emulation and uninstall Mega-Em from memory.
-SC or -GM Selects Sound Canvas/General MIDI emulation (as opposed to
MT-32 emulation). This is the default mode of operation
for Mega-Em.
-MT Selects MT-32 emulation (as opposed to Sound Canvas/General
MIDI emulation).
-I or -ION Runs Mega-Em in interactive mode. This option does nothing
if Mega-Em is configured for interactive mode.
-IOFF Disables interactive mode so Mega-Em runs in command line
mode. This option does nothing if Mega-Em is configured for
command line mode.
-Mxxx Set music volume level (relative to master volume level).
xxx = 1-100. The default level for Mega-Em is 80.
-Vxxx Set master volume level. xxx = 1-100. The default level for
Mega-Em is 100.
-L Enable the UltraSound line in. This option is only necessary
for people with old UltraSound software which does not include
Ultramix. Normally you should use Ultramix to set you line in
setting.
-M Enable the UltraSound mic in. This option is only necessary
for people with old UltraSound software which does not include
Ultramix. Normally you should use Ultramix to set you mic in
setting.
5.3 CONFIGURING YOUR SOFTWARE FOR USE WITH MEGA-EM.
Software programs are configured for different sound devices in many
different ways. Some will attempt to auto-detect sound devices and use
the best one it finds, others will prompt you during the running of the
program. Most common