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Sega Genesis/Mega Drive FAQ

From: BCantin@aol.com
Date: Sun, 13 Sep 1998 13:28:17 EDT


                             SEGA GENESIS/MEGA DRIVE F.A.Q.   

Version 1.5
September 1998

Maintained by: Barry Cantin (BCantin@aol.com)

Contributors: John Hokanson Jr. (gameman@alphainfo.com)
              Ken Arromdee (arromdee@jyusenkyou.cs.jhu.edu)
         
TABLE OF CONTENTS
-----------------
Introduction - About this FAQ

Section 1 - General Info
Section 2 - Technical Info
Section 3 - The Games
Section 4 - Peripherals
Section 5 - Emulators
Section 6 - Miscellaneous



**************************
*      Introduction      *
**************************

Shortly after releasing an update of the Sega CD FAQ, I was contacted by John
Hokanson about helping him put together a similar document for the Sega
Genesis (Mega Drive).  I hadn't given it much thought before, due to the scope
of the project, but decided to work on this with John since he had already
done a good deal of work on it and I could fill in some of the details.

John eventually became overwhelmed with other commitments and could no longer
devote the time necessary to completing such a project, and sometime last year
he mailed me much of what is contained in this document.  I've since taken
responsibility for the maintenance of the FAQ.

This is really a first draft of the Genesis/Mega Drive FAQ.  There are many,
many gaps to fill in and I am doing them as I can.  John has put a tremendous
amount of work into this and received a great deal of assistance from Ken
Arromdee.  I was initially responsible for the title list (which is - in fact
how I started the Sega CD FAQ) and then wrote up a section on the Sega 32X
(which is now part of SlyDC's 32X FAQ).  Now I have the task of updating and
maintaining this FAQ, which is purely enjoyable since I love the Sega Genesis
(and the portable Nomad).

John Hokanson has written a large portion of this document, particularly the
hardware technical areas.  Much of what is included here was also culled from
Usenet posts, and the authors are given credit at the beginning of the pertinent section.

So here is the first cut, hope it is useful.  Keep in mind that I am still
working on it and still have a great deal of material to go through, so please
bear with me on this.  I still have odds & ends to add, but it will be some
time before I can get to all the materials I have on hand to include them.  I
thought it might be good to get this version "out on the street" now, and feel
that its content is sufficiently correct to release.  Also please note that
this is Version 1.5; Version 1.0 was (considered to be) the initial copy sent
to me in 1996 by John Hokanson, to which I have added a very substantial
amount of material.  Thanks.  %^)

BWC 8/98

DISCLAIMER

This document contains information on modifying hardware, caring for your
hardware and software, and so forth.  Procedures are described within that may
damage your equipment (although not likely).  If you perform any of the
mods/cleaning procedures, etc. listed in this FAQ, you do so at your own risk.
I - and the other authors of this FAQ - do not take responsibility for any
broken hardware/software as a result of attempting anything described here.
The information is presented as a convenience for Sega Genesis/Megadrive fans,
and should be treated as such.


**************************
*Section 1 - General Info*
**************************

-------------------------------------------
1.1 The Sega Genesis and Mega Drive Systems
-------------------------------------------

The Genesis is a 16-bit home Video Game Console released in the US
by Sega Enterprises in August of 1989. The system was designed in
Japan as the "Mega Drive" and released in 1988. It was primarily marketed
as a higher power alternative to the NES (Nintendo Entertainment System) and
competed initially with that and NEC's new PC Engine.

The Genesis had far more to offer then the NES, including better
graphics, better sound (in stereo, as opposed to the NES mono),
and greater speed.

Genesis and MegaDrive cartridges are about four inches long, three inches
high, and about 3/4" deep.  Exceptions to this are those released by
Electronic Arts ("EA"), which are approximately 3x3" square.  Accolade
cartridges are also approximately this size.  Although narrower than standard
Genesis cartridge size, they fit comfortably inside all versions of Genesis
hardware.

The Mega Drive is the original name for the system. It is known as
the Mega Drive in all countries outside of North America. However, since
this FAQ was compiled and written in the US the term "Genesis" will be used in
respect to the aforementioned system. Unless otherwise noted, assume that any
info pertaining to the Genesis, is correct for the Mega Drive.

In the US, the Genesis was released in three different models.  The first
model was about 20" wide with a circular plate on the right half; the
cartridge slot is in the center of this.  There is also a volume control and
headphone jack on this model.

The Genesis 2 was released in 1994, and is much smaller.  It's square, about
11" on each side, and thinner.  This model does not have a headphone jack or a
volume output.  A third model Genesis ("Genesis 3") was released in 1998 by a
company called Majesco, Inc.  (Majesco Sales is also responsible for many
early Genesis game title re-releases, and use cardboard boxes instead of the
nicer plastic cases). It's even smaller than the model 2 Genesis (approx. 8"
by 8") and is packaged without a game cartridge.  The box is bright blue with
"Sega!" scrawled across the top.

A *portable* version of the Genesis, the Sega Nomad, was released in 1995.  It
is about the same size as a Game Gear but with squared corners is a little
thicker.  It features a high-quality 3" passive-matrix LCD screen and a full
compliment of six buttons.  The Nomad also can also be hooked to a television
(there is a DIN-type output - Genesis II-style) and played simultaneously on
the Nomad screen and the television.  There is also a port for a second joypad
to allow two-player play (although Player 1 must always use the Nomad joypad
and buttons).  The Nomad was released in North America and Japan.
Unfortunately for Europe, Sega decided *not* to release the Nomad there.
For more information about the Sega Nomad, seek out a copy of Chris Pickett's
Sega Nomad FAQ (don't have a website address for it at this time).

Another "portable" version of the Japanese Mega Drive was the "Air Mega Drive"
(not certain about the name), which wasn't portable in that it had to be
connected to a TV/monitor to play.  This unit was designed to be used on
airplanes for passengers to use in-flight.

There were some compatibility problems with some of the earlier third-party
cartridges (Electronic Arts titles: Budokan, Ishido, Zany Golf, a couple
others) with later Genesis units.  These can only be played on an *early*
Model I Genesis, or on later models if you plug them into a Game Genie before
putting them into your Genesis.

Q:  How can I tell if I have one of these early model Genesis units?
A:  (something to do with the wording on the top of the unit... don't know
    exactly)

Q:  If I do not have an early Genesis, is there ANY way I can play these early
    games on my newer Genesis system?
A:  If you have a Game Genie, it is possible - just plug the cart into the
    Genie and that into the Genesis.  The lockout code of the newer model
    Genesis unit is then disabled and the game will play properly.

Q:  Will my Genesis cartridges fit inside a Master System game case?
A:  Although the cases are virtually identical from the outside, the cart
    sizes are different enough so that a Genesis cart will not quite fit
    inside a Master System case.  But it's better than nothing.  One item
    of note: often, Electronic Arts Genesis game manuals are much smaller
    than the slots allotted for them inside the case, and tend to just flop
    around loosely inside.  (Pet peeve of the author's, obviously. %^)



------------------------------------------------------------
1.2 Differences Between the Sega Genesis and Sega Mega Drive
------------------------------------------------------------

From the Sega Programming FAQ:
------------------------------

Physically, on the outside, the only difference is the plastic case, the
cartridge shape is slightly different on the American version, smaller in
size. On the inside there are four jumpers labeled J1 though J4. J1 and J2
is the language switch, between English and Japanese, J3 and J4 select the
output between PAL and NTSC. You can build a switch that can allow you to
select between these options. The diagram is included in this further down.
The reason for the language switch is to keep people from getting the game
before it is officially released elsewhere in the world. The newer Sega
Machines do not have the jumpers, and hence you can not build a switch (as of
yet).

From the rec.games.video FAQ:
-----------------------------

MEGA DRIVE: Same as Genesis.  Compatibility is a bit tricky.

The European and Australian machine called the Mega Drive is identical to the
Genesis except that it emits a 50 hertz PAL signal.  The Japanese one is
identical to the Genesis except for (sometimes) the cartridge slot, and the
language setting.

First, to play games in the "wrong" machine you must plug them in.  You can
buy an adapter, or just cut away the plastic that keeps them from fitting.  On
a US/European machine, this is some plastic around the slot; on an older
Japanese machine, this is the cartridge lock (the tab that pushes into the
slot from the left when you turn on the machine).  I never even needed to
remove the cartridge lock, but some people have told me they did.

Now that you've plugged the game in, it _might_ run; cartridges can read the
language and 50/60 hertz setting, and some newer games are programmed to check
these settings and decide not to run at all.  The following games are locked
out this way:

    Do not run in English mode: Japanese versions of After Burner II, Bare
      Knuckle 3, Chameleon Kid, Doraemon, Gunstar Heroes, Monster World 4,
      Ragnacenti, Rolling Thunder II, Super Monaco GP 2, Super SF2, Thunder
      Force IV, Virtua Racing, Yuu Yuu Hakusho.
    Do not run in Japanese mode: US versions of Aladdin, Bio-Hazard Battle,
      Castlevania Bloodlines, Cyborg Justice, Dragon's Fury, Eternal
Champions,
      Flashback, Gauntlet IV, Gunstar Heroes, Landstalker, Lightening Force,
      Mazin Saga, Outrun 2019, Phantasy Star IV, Ren and Stimpy, Rocket Knight
      Adventures, SF2CE, Shadowrun, Shining Force, Shinobi 3, Streets of Rage
      II, Streets of Rage III, Subterrania, Sunset Riders, Thunderstrike (CD),
      World of Illusion, X-Men.
    Do not run in 50 hertz mode: US versions of Flashback, Sonic Spinball,
      Streets of Rage II, World of Illusion, World Series Baseball (And
      probably most of the ones that don't run in Japanese mode, too.)
    Does not run in 60 hertz mode: European version of Xenon2.

This list is nowhere near complete; these are just a few examples.

To play English/Japanese carts, you need a language switch, or a special
adapter which acts like one.  To play European/non-European carts, you may
need a 50/60 hertz switch (see below).  Some European Mega Drive games will
play perfectly on US systems.  (The language switch is useful in its own
right.  Some games have dual ROMs, and play US versions in US/European
machines and Japanese versions in Japanese machines; you can see both versions
by installing the switch.)

Q:  Can my Game Genie work with foreign cartridges?
A:  It appears to work with many, but I cannot vouch that it will work with
    all of them.  This is a great place to start trying, though.


****************************
*Section 2 - Technical Info*
****************************

----------------------------------------------------------
2.1 Genesis Technical Specs
----------------------------------------------------------

Taken from official (yet apparently released) Sega Documentation:

68000 @ 8 MHz
     main CPU
     1 MByte (8 Mbit) ROM Area
     64 Kbytes RAM Area

  VDP (Video Display Processor)
      dedicated video display processor
      - controls playfield & sprites
      - capable of DMA
      - Horizontal & Vertical interrupts
      64 Kbytes of dedicated VRAM (Video Ram)
      64 x 9-bits of CRAM (Color RAM)

  Z80 @ 4 MHz
      controls PSG (Programmable Sound Generator) & FM Chips
      8 KBytes of dedicated Sound Ram

VIDEO:

    NOTE: Playfield and Sprites are character-based

    Display Area (visual)

    - 40 chars wide x 28 chars high
        each char is 8 x 8 pixels
        pixel resolution = 320 x 224

    - 3 Planes
        2 scrolling playfields
        1 sprite plane
        definable priorities between planes

    - Playfields:
        6 different sizes
        1 playfield can have a "fixed" window
        playfield map
        - each char position takes 2 Bytes, that includes:
            char name (10 bits); points to char definition
            horizontal flip
            vertical flip
            color palette (2 bits); index into CRAM
            priority
         scrolling:
        - 1 pixel scrolling resolution
        - horizontal:
            whole playfield as unit
            each character line
            each scan line
        - vertical:
            whole playfield as unit
            2 char wide columns

    - Sprites:
        1 x 1 char up to 4 x 4 chars
        up to 80 sprites can be defined
        up to 20 sprites displayed on a scan line
        sprite priorities

    - Character Definitions
        4 bits/pixel; points to color register
        4 bytes/scanline of char
        32 bytes for complete char definition
        playfield & sprite chars are the same!


COLOR:

  - Uses CRAM (part of the VDP)
      64 9-bit wide color registers
      - 64 colors out of 512 possible colors
          3 bits of Red
          3 bits of Green
          3 bits of Blue
          4 palettes of 16 colors
          - 0th color (of each palette) is always transparent


OTHER:

  - DMA
      removes the 68000 from the BUS
      can move 205 Bytes/scanline during VBLANK
      - there are 36 scanlines during VBLANK
      - DMA can move 7380 Bytes during VBLANK

  - Horizontal & Vertical interrupts
 
SOUND:

  - Z80 controls:
      PSG (TI 76489 chip)
      FM chip (Yamaha YM 2612)
      - 6-channel stereo
      Z80 can access ROM data
      8 KBytes RAM


HARDWARE:

  - 2 controllers
      joypad
      3 buttons
      Start button

(A Three Button Variation of the above was later made available)

  - 1 external port
  - 2 video-outs (RF & RGB)
  - audio jack (stereo)
  - volume control (for audio jack)

-----------------------------------------------

A Brief Explanation of the Genesis Hardware

Taken directly from the Sega Programming FAQ:

The genesis graphics hardware consists of 2 scrollable planes.
Each plane is made up of tiles. Each tile is an 8x8 pixel square
with 4 bits per pixel. Each pixel can thus have 16 colors. Each
tile can use 1 of 4 color tables, so on screen you can get 64
colors at once, but only 16 in any specific tile. Tiles require
32 bytes. There is 64K of graphics memory. This would allow
for 2048 unique tiles if memory were used for nothing else.
 
Each plane can be scrolled independently in various ways.
Planes consist of tables of words, where each word describes a
tile. The word contains 11 bits for describing which tile, 2 bits
for flip x and flip y, 2 bits for the selection of the color
table, and 1 bit for a depth selector. Sprites are composed of
tiles also. A sprite can be up to 4 tiles wide by four tiles
high. Since each tile is 8x8, this means sprites can be anywhere
from 8x8 pixels to 32x32 pixels. There can be 80 sprites on
screen at one time. On a scan line you can have 10 32 pixel
wide sprites or 20 16 pixel wide sprites. Each sprite can
only have 16 colors but they are out of the 4 different color
tables. Color 0=transparent.
 
Colors are 3 bits for each gun, so 512 colors are possible.
 
There is a memory copier that is in hardware. This does fast
copies from the 68000 ram into the graphics ram.
 
The 68000 runs at about 8 MHz. It has 64K of memory devoted to it.
The ROM cartridge appears at 0.
 
The Z80 has 8K of ram. The 68000 can download programs to the
z80 and let them go. The z80 can access the graphics chips or
the sound synth chips but usually those things are controlled
by the 68000.
 
The sound chips consist of a Yamaha synthesis chip and a
TI programmable sound generator. The PSG has 3 square wave tones
and 1 white noise tone. Each tone/noise channel can have its own
frequency and volume.
 
The Yamaha chips are based on FM synthesis. There are 6 voices
with 4 operators each. The chips are similar to those used in
the Yamaha DX27 and DX100 synthesizers. By setting up registers
a rich variety of sounds can be created.

---------------------------------

Also of note (by John Hokanson):

The Yamaha YM 2612 FM Synthesis Chip is based on the Yamaha 2151
(which was used in earlier Sega Arcade Games). Ironically it's
of a higher quality then the OPL2/3 FM Synthesis chips produced
by Yamaha and used in Creative Labs PC sound cards such as the
popular "Sound Blaster" line.

The Z80 chip used to issue instructions to the YM 2612, served
a duel purpose in that it provided backwards compatibility with
the older Sega Master System (predecessor to the Genesis). When
used with the "Power Base Converter" SMS carts could be inserted
into the Genesis and use the Z80 as the main CPU (At which point
the 68000 was basically inactive).

Though the Genesis could only display a maximum of 64 colors at
any given time, special software techniques such as HAM (Hold and
Modify) could be used to boost color output. Such a technique was
used in the game "Eternal Champions", which had an output of 256 colors.
Sega CD Based games (such as "Snatcher") also used this method.

-------------------------------
2.2 Cartridge Pin Configuration
-------------------------------

To be added in a later release.

------------------------------
2.3 Joystick Pin Configuration
------------------------------

To be added in a later release.

---------------------------
2.4 Video Pin Configuration
---------------------------

From: QUINNGRANFOR@delphi.com
Newsgroups: rec.games.video.sega
 
 The pin configuration is as follows....
 
 
 Match pin----------O
 Red-------------O     O----Negative sync
                    O---Blue
     Audio(mono)-O     O---Composite Video
   Vcc +5 volts---O   O---Green
            Ground--O
 
 The O's are the pins...hope this helps.
 
 Quinn Granfor

---------------------------
2.5 NTSC and PAL formats
---------------------------

NTSC and PAL are television broadcast frequencies. NTSC is about 60 (actually
59.94) fields per second, 525 lines per frame (each frame is 2 fields).  PAL
is 50 fields per second and 625 lines per frame.

Parts of Europe and Hong Kong use PAL, while North America and Japan use
NTSC.  There were NTSC and PAL versions of the Genesis/Megadrive released in
the appropriate regions.  To the best of my knowledge, there was never a SECAM
(other parts of Europe) model.

Q: What happens when I play a PAL game on an NTSC console, 
    or vice versa without the switch?
A:  If you play a NTSC game on a PAL console and the game is not programmed to
    notice what kind of console you're on, there are two effects: first, the
    game's screen is squashed because the 525 lines fit on a narrower portion
    of the screen, and second, the game runs about 17 percent slower _if_ the
    game's timing depends on events that happen at a specified rate compared
    to the frame.  (Or if its timing depends on the current, but it probably
    won't, because part of Japan is 50 hertz but 60 fields per second.)

    The opposite happens in reverse: the screen is stretched out (and probably
    rolls badly) and the game is too fast.  You can correct this problem by
    building a 50/60Hz Switch.

BUILDING A 50/60Hz (NTSC/PAL) SWITCH

You can build a 50/60 hertz switch on a Genesis/Mega Drive like a language
switch, but using jumpers JP3 and JP4.  The standard setting is 50 in PAL
areas such as Europe, and 60 in NTSC areas like the US and Japan.  In the 60
hertz mode, the game is faster and the screen taller; however, not all TVs and
monitors in Europe can display this mode.

Some American/Japanese games are protected to keep Europeans from playing
them; this protection checks the 50/60 hertz setting.  You can often get
around it by installing the switch and switching when starting the game, then
switching back afterwards.

Some European games are simple ports of American or Japanese games and are not
redesigned for 50 hertz, so work faster and with "better" screen proportions
if played at 60 hertz.

----------------------------------------
2.6 The Japanese/English language switch 
----------------------------------------

In order to make your Genesis/Megadrive into a Japanese machine (internally),
you can build a switch that will convert the electronics internally and fool
your machine into thinking it's Japanese.  Many cartridges have both versions
(English and Japanese) built in, and the language switch will bring forth the
appropriate version.

Here's how to build your own.  Note:  I do not take responsibility for what
any reader(s) decide to do to their hardware or software; we are not liable
nor responsible.. this info is presented as such.

On a Genesis/MD, there are jumpers labeled JP1, JP2, JP4, and JP3.  The
Genesis has a capacitor on JP1 and a trace on JP2; the Mega Drive has a
capacitor on JP2 and a trace on JP1.  The bottom ends of JP1 and JP2 are
 connected together. So if you cut the trace and the top end of the capacitor,
and install a DPDT switch between them which reconnects them either unchanged
or swapped left to right, you have a language switch.  You'll need some wire,
a soldering iron, solder, and a DPDT switch.

Some machines have an open circuit instead of the capacitor.  Also, I've been
told that even if there is a capacitor, you can throw it out and leave an open
circuit.  Either way, the switch is a lot simpler, requiring a SPDT switch and
less wire and solder.

Several people have told me (JH) that you could just cut both JP1 and JP2 and
put a SPST switch on JP1.  This is even simpler, but I'm not sure it really
works, as opposed to putting your machine in an intermediate state that only
sort-of works.

The redesigned Genesis 2 machines don't appear to have either the capacitor or
circuit.  Nobody yet knows how to make the language switch for one, though
language switch adapter/cartridges should still work.

IF YOUR MACHINE HAS NO CAPACITOR (or if you want to cross your fingers and
throw away your capacitor) and is not a Genesis 2:

Cut JP2.  The trace might be covered with paint and hard to see.  (If you
started with a Mega Drive, JP2 is open and you have to cut JP1 instead.)  If
you aren't sure which end I mean by "bottom", just check the back of the board
to see which end is connected together.

   Original state of machine:             After cutting:

       JP2 top     JP1 top              JP2 top     JP1 top
          |           |                    |           |
          |           |                    |           |
          |            
          |            
          |            
          |            
          |           |                    |           |
           \         /                      \         /
            \_______/                        \_______/
          bottom of both                   bottom of both

Add a SPDT switch which can be in one of two positions:
              ._ _ _ _ _ _ _ _ _ _ _ _
             .                        .
            .           . _ _ _ _ _ _ _ _ _ _
           .           .                .    .
       JP2 top     JP1 top               .    .
          |           |                  .    .
          |           |                 _________
                                        | o   o |
                                        | \     |
                                        |  \    |
                                        \___o___/
          |           |                     .
           \         /                      .
            \_______/ - - - - - - - - - - - -
          bottom of both

              ._ _ _ _ _ _ _ _ _ _ _ _
             .                        .
            .           . _ _ _ _ _ _ _ _ _ _
           .           .                .    .
       JP2 top     JP1 top               .    .
          |           |                  .    .
          |           |                 _________
                                        | o   o |
                                        |     / |
                                        |    /  |
                                        \___o___/
          |           |                     .
           \         /                      .
            \_______/ - - - - - - - - - - - -
          bottom of both
-----------------------------------------------------------------
IF YOUR MACHINE DOES HAVE THE CAPACITOR:

Cut both sides.  (Note: if you started with a Japanese Mega Drive the
capacitor will be on the side labeled X instead)

   Original state of machine:             After cutting:

       JP2 top     JP1 top              JP2 top     JP1 top
          |           |                    |           |
          |           |                    |           |
          |           |
          |           |
          |           |                    |
        X |          ###                 X |          ###
          |          ###                   |          ###
          |          ###                   |          ###
           \         /                      \         /
            \_______/                        \_______/
          bottom of both

add switch which can be in one of two positions:

       JP2 top     JP1 top                              (Connect 2 to 2
          |           |                                    and 1 to 1)
          |           |
          2           1                   2  1  1  2
                                        ______________
           _ _ _ _ _ _ _ _ _ _          | o  o  o  o |
          |                   `         |  \  \      |
        X |          ###`      `        |   \  \     |
          |          ### `      `       \____o__o____/
          |          ###  `      `           '  '
           \         /     `      `- - - - -'  '
            \_______/       ` _ _ _ _ _ _ _ _ '
          bottom of both

       JP2 top     JP1 top                              (Connect 2 to 2
          |           |                                    and 1 to 1)
          |           |
          2           1                   2  1  1  2
                                        ______________
           _ _ _ _ _ _ _ _ _ _          | o  o  o  o |
          |                   `         |      /  /  |
        X |          ###`      `        |     /  /   |
          |          ### `      `       \____o__o____/
          |          ###  `      `           '  '
           \         /     `      `- - - - -'  '
            \_______/       ` _ _ _ _ _ _ _ _ '
          bottom of both

----------------------------------------------
2.7 Playing your Genesis on a computer monitor
----------------------------------------------

The Genesis can connect to an analog RGB monitor with a similar scan rate;
this means an analog RGB monitor for use with an Amiga, Atari ST, or Apple
//gs.  An analog RGB multisync monitor would also work; a digital monitor
(CGA or EGA only for PC's) will not.

-----------------------------------------------
2.8 How to I build an RGB Cable for the Genesis
-----------------------------------------------

From: dgb@owlnet.rice.edu (Dennis Gale Brown)
Newsgroups: rec.games.video.sega
 
This is an article I wrote last year to post here. I'm posting it again.
This is probably not the best way to hook up the Genesis to a monitor
but it works. I have no clue what the "new" Genesis is like, so this
may or may not work with it.
 
-----------------------------------------------------------------------
 
Here's how I hooked up my Genesis to my NEC Multisync II:
 
First, I went to Radio Shack and bought the following parts:
 
274-026 8-pin DIN plug (Genesis end)
276-1427 9 Position D-shell MALE connector
276-1513 Hood for above
278-775 9-conductor wire (sold by the foot; I got 3')
 
Then I checked out the Genesis Monitor pinout from the FAQ:
(looking at port itself)
 
               1 .  8  . 7
               2 .  .  . 6
                3 .   . 5
                  4  '
 
(these numbers probably aren't correct but they match my list below!):
1 - Negative Combined Sync
2 - Composite Video
3 - Green
4 - Ground
5 - +5 Volts
6 - Audio
7 - Red
8 - Green
 
Then I checked out the pinout for the Multisync:
 
     1 2 3 4 5
     . . . . .
      . . . .
      6 7 8 9
 
2 - Sync 
3 - Blue (analog)
4 - Green (analog)
5 - Red (analog)
6 - Ground
 
(again, numbers are probably wrong, and this isn't the full pin-out, but
it's enough)
 
After this, it's just a matter of putting things together. Using the
8-pin DIN connector requires some soldering, but the 9-pin connector
I chose can simply have the pins clamped onto the wires.
 
One note: You may have to bend the pins in the 8-pin connector slightly
to make it fit in the Genesis. I had to bend the middle pin down a bit
and the two top pins outward. After that, no problem.
 
Final word: Do this at your own risk. This probably isn't the best way to
go about this, but it does work. If your equipment blows up, don't blame me!
 
Have fun...
 
BTW, If you have a different monitor, I can't help you. All I can say is that
if it works with an Amiga 500/1000/2000, it probably works with the Genesis
(similar if not identical scan rates),
provided you have the correct pinouts and connectors...

------------------------------------------
2.9 How to build a Genesis Joystick/Joypad
------------------------------------------

If you have trouble finding joypads in your area, or want a specially-
configured joypad, the following post is for you.  Otherwise, nowadays it is
easy to find brand new Genesis joypads being dumped on the market as the
16-bit gaming market dies out.

Date: Tue, 2 Mar 93 08:10:28 CST
From: nhowland@centurion.ksu.ksu.edu (Neal Patrick Howland)
To: sysrick@starbase.spd.louisville.edu
Subject: Genesis joystick pinouts
 
Yes folks!  It is the much requested Genesis joystick pinout information!!!

 
First some background info:  The chip inside the controller is a 74HC157.
This is a high-speed cmos quad 2-line to 1-line multiplexer.  Basically how
this works is there are two inputs ( A and B ) for every output ( Y ).  There
are four groups like this.  There is one select signal for the whole chip.
When the select signal is low, the output ( Y ) is the same as input A.  When
the select signal is high, the output Y is the same as input B.  The pinout
for the chip is as follows:
 
	Pin 1 - Select	Pin 16 - Vcc (+5V)
	Pin 2 - 1A	Pin 15 - G (? must be low)
	Pin 3 - 1B	Pin 14 - 4A
	Pin 4 - 1Y	Pin 13 - 4B
	Pin 5 - 2A	Pin 12 - 4Y
	Pin 6 - 2B	Pin 11 - 3A
	Pin 7 - 2Y	Pin 10 - 3B
	Pin 8 - Gnd	Pin 9  - 3Y
 
 
All the controls are done with switches.  Up is a switch, Down is a switch,
etc. Now, I will be referring to the output of these switches later on.  What
I mean is that the output is usually high, that is when the switch isn't
pressed.  
 
When the button is pushed, the output goes low.  This is accomplished by 
connecting the output to +5V through a 10k resistor.  The button is then
attached between the output and ground.  It looks like this:
 
     +5V -----/\/\/------+--------- Output
               10k       |
                         |
                /        |
   Ground -----/  -------+
              button
              (normally open)
 
For all of those who could actually decipher the above schematic,
congratulations!
 
 
I will now run down what lines from the plug are connected to what.
The line numbers are determined as follows, looking straight at the plug on
the front of the Genesis the numbers are:
 
	1 2 3 4 5
	 6 7 8 9
 
  (For those of you who buy a joystick cable from radio shack the pin #'s to
   wire colors are as follows: 1-black 2-brown 3-red 4-orange 5-get cup from
bag
sorry about that, lets start again  1-white 2-blue 3-green 4-brown 5-yellow
6-orange 7-red 8-black 9-gray,  )
 
anyway, line connections:
 
Line 1 - Up output
Line 2 - Down output    These are the only two direct connections
Line 3 - Pin 4 of the chip    output 1Y
Line 4 - Pin 7 of the chip    output 2Y
Line 5 - This line carries in +5V.  It is connected to the +5V bus line.
Line 6 - Pin 9 of the chip    output 3Y
line 7 - Pin 1 of the chip  this carries in a select signal from the Genesis.
                             This is a signal which varies rapidly and
                             controls which input goes through the output
Line 8 - Ground  This is connected to the Ground bus line.
Line 9 - Pin 12 of the chip   output 4Y
 
 
Now for the chips pin connections:
 
Pin 1 - Line 7 (select)
Pin 2 - Ground (1A)    don't ask me why they do this.  Maybe future expansion
Pin 3 - Left   (1B)
Pin 4 - Line 3 (1Y)
Pin 5 - Ground (2A)    again, possibly future expansion
Pin 6 - Right (2B)
Pin 7 - Line 4 (2Y)
Pin 8 - Ground  (GND)
Pin 9 - Line 6 (3Y)
Pin 10 - Button B  (3B)
Pin 11 - Button A  (3A)
Pin 12 - Line 9  (4Y)
Pin 13 - Button C  (4B)
Pin 14 - Start  (4A)
Pin 15 - Ground  (G)   This must be connected to ground
Pin 16 - +5V  (Vcc)   Power source for the chip 
 
Anyway that's all the info needed to build your own joystick.
 
Now as an added bonus, additional information!
 
A simple source for a joystick cable is the Radio Shack joystick extension
cable. It is around $5 and is 10 ft. long.  Just snip off the connector that
won't plug into the Genesis, strip the wires back, and use the color pinout
list I gave above.
 
I went to my local arcade game repair company today and purchased the supplies
I needed.  They were much cheaper than I expected.  Things you would need to
buy from them would be:
 
	an 8-way joystick     this ran me $15
        3 buttons             $2.50 apiece



3.0  Game List

There were approximately 700 game cartridges released for the Sega Genesis.  I
cannot vouch for each and every one of these listed here, but for the most
part the list is accurate release-wise.  I still have a few blanks in there,
and do have most of the info at my disposal.  It takes time to get each and
every piece of information, so in order to release this now I just left the
ones I don't have yet blank.

Some titles have been re-released with different publishers; I try to consider
both when listing this.  More information on this can be found after the game
list.

Note:  Some games do not comfortably fit into one single category.  In
       these cases, two categories were assigned to the game type to
       describe them better.

Game types (these are my definitions, and I do not claim them to be absolute):

   Adventure - game contains elements of exploration and requires fulfilling
               some sort of quest or other obligation(s) before moving to a
               higher level.  "Isoadventure" indicates that the game uses
               an "isometric" perspective, which means that the character and
               surrounding area are viewed from a 45-degree angle between
               head-on and sideways.  (Move squares may appear as diamonds)
   Arcade    - action/reflex-based game based on arcade title.
   Board game - based on/conversion of popular board game.
   Educational  - game teaches (mainly youngsters) various things during
               play.
   Fighting  - if the description just says "fighting" then it's a 1-on-1
               fighting game where the objective is to win 2 out of 3 matches
               then move on to the next opponent.  If the description is
               "platform/fighting" then the game is a fight-based platform
               game, in which you must fight your way through various scenes
               and environments and beat the boss at the end of each level.
   Flt sim   - flight simulator.  Game provides 1st-person perspective view
               during flight sequences.
   Multi     - game has multiple formats.
   Platform  - game uses platforms (originally defined by "Super Mario Bros.",
               in which Mario jumps from platform to platform) in its setting.
               Can be a shooter or a fighting game.
   Puzzle    - game requires solving various levels/types of puzzles.
   Quiz      - game as numerous question/answer quizzes for player.
   Racing    - typically a car racing game, can be 1st-person perspective or
               over-the-driver view.
   RPG       - "Role Playing Game".  You take on the persona of the main
               character of the game, and build various attributes (strength,
               attack and defense abilities, etc.) while fulfilling a quest.
   Shooter   - game's primary objective it to shoot the bad guys.  Can be
               vertical, horizontal, with or without platforms.  A "1st Person
               Shooter" is one in which the perspective is from the player,
               PC examples include "Doom", "Wolf 3D", and "Quake".
   Sim       - When attached to "Strategy", refers to a battle simulation.
               Could also refer to hardware/vehicle simulations.
   Sports    - pretty obvious, huh?  %^)

   Strategy  - game has elements of planning and decision-making, may be
               turn-based or real-time.
   
Also:  The publisher(s) listed apply to the North American releases only.

Name                                          Type          Publisher
-----------------------------------------------------------------------
3 Ninjas                                    Platform/Fight  Sony Imagesoft
52-in-1 (2)                                 Multi           Active Ent.
6-In-1 Menacer Cart                         Shooting        Sega
6-Pak                                       Multi           Sega
688 Attack Sub                              Strategy/sim    Sega


AAAHH!!! Real Monsters                      Platform        Viacom
Abrams Battle Tank                          Strategy        Sega
Addams Family                               Platform/Strat  Flying Edge
Addams Family Values                        Platform        Ocean
Advanced D&D: Warriors of the Eternal Sun   RPG             Sega
Adventures of Batman and Robin              Platform/Fight  Sega
Adventures of Mighty Max                    Platform        Ocean
Adventures of Rocky & Bullwinkle            Platform        Absolute
Aero the Acrobat                            Platform        Sunsoft
Aero the Acrobat 2                          Platform        Sunsoft
Aerobiz                                     Strategy        Koei
Aerobiz Supersonic                          Strategy        Koei
After Burner II                             Shooter         Sega
Air Buster                                  Shooter         Kaneco
Air Diver                                   Shooter/Sim     Seismic
Aladdin                                     Platform        Sega
Alex Kidd in the Enchanted Castle           Platform        Sega
Alien 3                                     Arcade          Arena
Alien Storm                                 Action          Sega
Alisia Dragoon                              Adventure       Game Arts
Altered Beast                               Platform        Sega
Amazing Tennis                              Sports          
American Gladiators                         Sports          Gametek
Andre Agassi Tennis                         Sports          Tecmagik
Animaniacs                                  Platform        Konami
Aquatic Games - James Pond                  Sports          EA
Arcade Classics                             Arcade          Sega
Arcade's Greatest Hits                      Arcade          Williams
Arch Rivals                                 Sports          Flying Edge
Arcus Odyssey                               RPG/Adventure	Renovation
Ariel - The Little Mermaid                  Platform        Sega
Arnold Palmer's Tournament Golf             Sports          Sega
Arrow Flash                                 Platform/Shoot  Renovation
Art Alive                                   Educational     Sega
Art of Fighting                             Fighting        
Asterix and the Great Rescue                Platform        Sega
Atomic Robo Kid                             Shooter         Treco
Atomic Runner                               Shooter/Platfm  Data East
ATP Tour Tennis                             Sports          EA Sports
Awesome Possum                              Platform        Tengen

------------------------------------------------------------------------------

B.O.B.                                      Platform        EA
Back to the Future III                      
Ballz                                       Fighting        Accolade
Barbie                                      Platform/misc   Hi-Tech Expr.
Barkley: Shut Up and Jam!                   Sports          Accolade
Barkley: Shut Up and Jam 2                  Sports          Accolade
Barney's Hide & Seek                        Educational     Sega
Bass Masters Classic                        Sports          Black Pearl
Bass Masters Classic Pro Edition            Sports          T*HQ
Batman                                      Platform/Fight  Sega
Batman Forever                              Platform/Fight  Acclaim
Batman Returns                              Platform        Sega
Batman: Revenge of the Joker                Platform/Fight  Sunsoft
Battle Master                               
Battle Squadron                             Shooter         EA
Battletech                                  Shooter/Sim     
Battletoads                                 Platform/Fight  Tradewest
Battletoads/Double Dragon                   Fighting        Tradewest
Beast Wrestler                              Fighting        Renovation
Beauty & the Beast: Belle's Quest           Platform        Sunsoft
Beauty & the Beast: Roar of the Beast       Platform        Sunsoft
Beavis and Butthead                         Platform        Viacom
Berenstain Bears: Camping Adventure         Platform        Sega
Best of the Best Karate                     Fighting        
Beyond Oasis                                Adv/RPG         Sega
Bill Walsh College Football                 Sports          EA Sports
Bill Walsh College Football '95             Sports          EA Sports
Bimini Run                                  Shooter         NuVision
Bio Hazard Battle                           Shooter         Sega
Blades of Vengeance                         Adventure       EA
Blaster Master 2                            Shooter/Platfm  Sunsoft
Block Out                                   Puzzle          EA
Bonanza Brothers                            
Bonkers                                     Platform        Sega
Boogerman                                   Platform        Interplay
Boxing Legends of the Ring                  Sports          
Brett Hull Hockey '95                       Sports          Accolade
Brutal: Paws of Fury                        Fighting        Gametek
Bubba 'n Stix                               
Bubble & Squeak                             Platform        Sunsoft
Bubsy                                       Platform        Accolade
Bubsy II                                    Platform        Accolade
Buck Rogers                                 RPG/Adventure   EA
Budokan (1)                                 Fighting        EA
Bugs Bunny in Double Trouble                Platform        Sega
Bulls vs. Blazers                           Sports          EA
Bulls vs. Lakers                            Sports          EA
Burning Force                               Shooter         Namco
Buster Douglas Boxing                       Sports          Sega
Busy Town                                   


Cadash                                      Platfm/Fighter  Taito
Caesars Palace                              Strategy        Virgin
Cal Ripken Jr. Baseball                     Sports          Mindscape
Caliber .50                                 Shooter         Mentrix
California Games                            Sports          Sega
Captain America                             Platform/shoot  Data East
Castlevania Bloodlines                      Platform        Konami
Centurion: Defender of Rome                 Strategy        EA
Chakan                                      Platform/Fight  Sega
Champions - World Class Soccer              Sports          
Championship Bowling                        Sports          Mentrix
Championship Pool                           Sports          Mindscape/SWT
Championship Pro Am                         Racing          Tradewest
Chase HQ II                                 Racing          Taito
Chavez II                                   Sports          
Chester Cheetah                             Platform        Kaneco
Chester Cheetah's Wild Wild Quest           Platform
Chi Chi's Pro Challenge Golf                Sports          Virgin
Chiki Chiki Boys                            
Chuck Rock                                  Platform        Virgin
Chuck Rock II                               Platform        Virgin
Clayfighter                                 Fighting        Interplay
Cliffhanger                                 Platform/Fight  Sony Imagesoft
Clue                                        Board Game      Parker Bros.
Coach K College Basketball                  Sports          EA Sports
College Football National Championship      Sports          Sega Sports
College Football National Championship II   Sports          Sega Sports
College Football USA '96                    Sports          EA Sports
College Football USA '97                    Sports          EA Sports
College Slam                                Sports          Acclaim
Columns                                     Puzzle          Sega
Columns III                                 Puzzle          Vic Tokai
Combat Cars                                 Racing          Accolade
Comix Zone                                  Platform        Sega
Contra Hard Corps                           Shooter/Platfm  Konami
Cool Spot                                   Platform        Virgin
Cosmic Spacehead                            Platform        Codemasters
Crackdown                                   Action/Strat.	Sage's Creation
Crossfire                                   
Crue Ball                                   Pinball         EA
Crusader of Centy                           Action RPG      Atlus
Crystal's Pony Tale                         Adventure/Pltfm Sega Club
Cutthroat Island                            Platform        Acclaim
Cyber Cop                                   Platform        Virgin
Cyberball                                   Sports          Sega
Cyborg Justice                              Fighting        Sega


Dark Castle                                 Adventure       EA
Dashin' Desperadoes                         Platform/Racing Data East
David Robinson's Supreme Court              Sports          Sega
Davis Cup Tennis                            Sports          Tengen
Deadly Moves                                Fighting        Kaneco
Death and Return of Superman                
Death Duel                                  Shooter         Razorsoft
Decapattack                                 Platform        Sega
Demolition Man                              
Desert Demolition - Road Runner             Platform        Sega
Desert Strike                               Shooter/Strat.  EA
Devilish                                    Arcade          Sage's Creation
Dick Tracy                                  Platform/Fight  Sega
Dick Vitale's College Hoops                 Sports          
Dino Land                                   Pinball         Renovation
Dinosaur's Tale                             Platform        Hi-Tech Ent.
Dinosaurs for Hire                          Platform
DJ Boy                                      Fighting/Platfm Kaneco
Doom Troopers                               
Double Dragon                               Fighting/Platfm Tradewest
Double Dragon 3: The Arcade Game            Fighting/Platfm Tradewest
Double Dragon V                             Fighting        Tradewest
Double Dribble                              Sports          Konami
Dr. Robotnik's Bean Machine                 Puzzle          Sega
Dracula (Bram Stoker's)                     Platform/fight  Sony Imagesoft
Dragon: The Bruce Lee Story                 Fighting        Acclaim
Dragon's Fury                               Pinball         Tengen
Dragon's Revenge                            Pinball         Tengen
Duel: Test Drive II                         Racing          Accolade
Dune                                        Strategy        Virgin
Dynamite Duke                               Platform        Sega
Dynamite Headdy                             Platform        Sega


E-SWAT                                      Shooter         Sega
EA Hockey - European League                 Sports          EA Sports
Earnest Evans                               Platform        Renovation
Earth Defense (2)                           Shooter         Realtec
Earthworm Jim                               Platform        Playmates
Earthworm Jim 2                             Platform        Playmates
Ecco: Tides of Time                         Adventure       Sega
Ecco Jr.                                    Educational     Sega Club
Ecco the Dolphin                            Adventure       Sega
El Viento                                   Platform        Renovation
Elemental Master                            
ESPN Baseball Tonight                       Sports          Sony Imagesoft
ESPN National Hockey Night                  Sports          Sony Imagesoft
ESPN Speed World                            Racing          Sony Imagesoft
ESPN Sunday Night NFL                       Sports          Sony Imagesoft
Eternal Champions                           Fighting        Sega
Evander Holyfield Boxing                    Sports          
Ex-Mutants                                  Platform/Fight  
Exile                                       Action RPG      Renovation
Exo Squad                                   Shooter         Playmates


F-117 Night Storm                           Shooter/Flt Sim EA
F-15 Strike Eagle II                        Shooter/Flt Sim Microprose
F-22 Interceptor                            Shooter/Flt Sim EA
Faery Tale Adventure                        Adventure/RPG   EA
Family Feud                                 Quiz            Gametek
Fantasia                                    Platform        Sega
Fantastic Dizzy                             Platform        Codemasters
Fatal Fury                                  Fighting        Takara
Fatal Fury 2                                Fighting        Takara
Fatal Labyrinth                             Adventure       Sega
Fatal Rewind                                Shooter/Platfm  EA
Ferrari Grand Prix Challenge                Racing          Flying Edge
FIFA Soccer                                 Sports          EA Sports
FIFA Soccer '95                             Sports          EA Sports
FIFA Soccer '96                             Sports          EA Sports
FIFA Soccer '97                             Sports          EA Sports
Fighting Masters                            Fighting        Treco
Final Zone                                  Shooter         Renovation
Fire Shark                                  Shooter         Dreamworks
Flashback                                   Platform/Adv.   US Gold
Flicky                                      Platform        Sega
Flintstones                                 Platform        Taito
Foreman for Real                            Sports          Flying Edge
Forgotten Worlds                            Fighting        Capcom
Formula One                                 Racing          Domark
Frank Thomas - Big Hurt Baseball            Sports          Acclaim
Frankenstein                                Platform        Sony Imagesoft
Fun and Games                               Educational     Tradewest
Funny World/Balloon Boy (2)                 Arcade          Realtec


G-Loc                                       Shooter (1st P) Sega
Gadget Twins                                Platform        Gametek
Gaiares                                     Shooter         Renovation
Gain Ground                                 Adventure/Shoot Renovation
Galahad                                     Shooter/strat   Sega
Galaxy Force II                             Shooter         Sega
Garfield Caught In The Act                  Platform        Sega
Gargoyles                                   Platform        Disney Int.
Gauntlet IV                                 Adv/Shooter     Tengen
Gemfire                                     Strategy        Koei
General Chaos                               Shooter/strat   EA
Generations Lost                            
Genghis Khan II                             Strategy        Koei
George Foreman KO Boxing                    Sports          Flying Edge
Ghostbusters                                Platform/shoot  Sega
Ghouls 'n' Ghosts                           Platform        Sega
Global Gladiators                           
Gods                                        Platform        Mindscape
Golden Axe                                  Fighting/Platfm Sega
Golden Axe II                               Fighting/Platfm Sega
Goofy's Hysterical Tour                     Platform        Absolute
Granada                                     Shooter         Renovation
Great Circus Mystery                        Platform        Capcom
Great Waldo Search                          Puzzle          T*HQ
Greatest Heavyweights                       Sports          Sega Sports
Greendog                                    
Grind Stormer                               Shooter         Tengen
Growl                                       Fighting/Platfm Taito
Gunstar Heroes                              Platform/Shootr Sega


Hardball                                    Sports          Ballistic/Accolade
Hardball III                                Sports          Accolade
Hardball '94                                Sports          Accolade
Hardball '95                                Sports          Accolade
Hard Drivin'                                Racing          Tengen
Harrint                                     
Haunting (Starring Polterguy)               Arcd/Adventure  EA
Head-On Soccer                              Sports          
Heavy Nova                                  Fighting        
Hellfire                                    Shooter         Seismic
Herzog Zwei                                 Strategy        Sega
High Seas Havoc                             Platform        
Hit the Ice                                 Sports          Taito
Home Alone                                  Platform        Sega
Home Alone 2                                Platform        Sega
Hook                                        Platform        Sony Imagesoft
Humans                                      Puzzle          


Immortal                                    Adv/Isoplatfm   EA
Incredible Crash Dummies                    Platform        
Incredible Hulk                             Platform        US Gold
Indiana Jones: Last Crusade                 Platform/Fight  
Insector X                                  Shooter         Sage's Creation
International Tour Tennis                   Sports          EA Sports
Ishido (2)                                  Puzzle          EA
Izzy's Quest for the Olympic Rings          


Jack Nicklaus Power Challenge Golf          Sports          Ballistic/Accolade
James Bond 007: The Duel                    Platform        Domark
James Pond                                  Platform        EA
James Pond 2: Codename Robocod              Platform        EA
James Pond 3                                Platform        EA
Jammit                                      Sports          Virgin
Jennifer Capriati Tennis                    Sports          Renovation
Jeopardy!                                   Quiz            Gametek
Jeopardy! Deluxe Edition                    Quiz            Gametek
Jeopardy! Sports Edition                    Quiz            Gametek
Jewel Master                                Platform        Sega
Joe & Mac                                   Platform        Takara
Joe Montana Football                        Sports          Sega
Joe Montana Football 2                      Sports          Sega
Joe Montana Football '93                    Sports          Sega
Joe Montana Football '94                    Sports          Sega
John Madden Football                        Sports          EA Sports
John Madden Football '92                    Sports          EA Sports
John Madden Football '93                    Sports          EA Sports
John Madden Football '94                    Sports          EA Sports
John Madden Football '95                    Sports          EA Sports
John Madden Football '96                    Sports          EA Sports
John Madden Football '97                    Sports          EA Sports
John Madden Football '98                    Sports          EA Sports
John Madden Football Championship           Sports          EA Sports
Jordan vs. Bird                             Sports          
Judge Dredd                                 Platform/Fight  Acclaim
Junction                                    Puzzle          Bignet USA
Jungle Book (9)                             Platform        Virgin/Sega
Jungle Strike                               Shooter/Strat   EA
Jurassic Park                               Platform        Sega
Jurassic Park: Rampage Edition              Platform/Adv    Sega
Jurassic Park: The Lost World               Platform/Adv    Sega
Justice League Task Force                   Fighting        Acclaim


Ka Ge Ki                                    Fighting        Sage's Creation
Kawasaki Superbike Challenge                Racing          Time-Warner Int.
Kid Chameleon                               Platform        Sega
King of the Monsters                        Fighting        Takara
King of the Monsters 2                      Fighting        Takara
King Salmon                                 Sports          Vic Tokai
King's Bounty                               Adv/strategy    EA
Klax                                        Puzzle          Tengen
Krusty's Super Fun House                    Action/Puzzle   Acclaim


Lakers vs. Celtics                          Sports          EA
Landstalker                                 Adventure/RPG   Sega
Last Action Hero                            Platform/Fight  Sony Img.
Last Battle                                 Fighting        Sega
Lawnmower Man                               Action/Shooter  
Leaderboard Golf                            Sports          Sega
Lemmings                                    Puzzle/Arcade   Sunsoft
Lemmings 2 Tribes                           Puzzle/Arcade   Psygnosis
Lethal Enforcers (5)                        Shooter         Konami
Lethal Enforcers II                         Shooter         Konami
LHX Attack Chopper                          Shooter/Flt Sim EA
Liberty or Death                            Strategy        Koei
Light Crusader                              Adv.RPG         Sega
Lightening Force                            Shooter         
Lion King                                   Shooter         Virgin
Lost Vikings                                Puzzle/Arcade   Accolade
Lotus Turbo Challenge                       Racing          EA
Lotus II                                    Racing          EA


Madden Football      see "John Madden Football"
Magic School Bus                            Educational     Sega
Marble Madness                              Arcade          Tengen
Mario Andretti Racing                       Racing          EA Sports
Mario Lemieux Hockey                        Sports          Sega
Marko's Magic Soccer                        Platform        
Marsupilami                                 Platform        Sega
Marvel Land                                 Platform        Renovation
Master of Monsters                          RPG/Strategy    Renovation
Math Blaster                                Educational     Davidson
Maximum Carnage                             Platform/Fight  Acclaim
Mazin Saga Mutant Fighter                   Platform/Fight  Vic Tokai
McDonald's Treasure Land Adventure          Platform        Sega
Mega Bomberman                              Arcade/Puzzle   Hudson Soft
Mega Turrican                               Platform/Shoot  
Mercs                                       Shooter         Sega
Michael Jackson's Moonwalker                Platform        Sega
Mickey Mania: Timeless Adventures           Platform        Sony Imagesoft
Mickey Mouse: Castle of Illusion            Platform        Sega
Mickey Mouse: World of Illusion             Platform        Sega
Mickey's Ultimate Challenge                 Puzzle          Hi-Tech Expr.
Micro Machines                              Racing          Codemasters
Midnight Resistance                         Platform/Shootr Sega
MIG-29 Fighter Pilot                        Shooter/Flt Sim Domark
Might and Magic                             RPG             EA
Mighty Morphin Power Rangers                Fighting        Sega
Mighty Morphin P.R.: The Movie              Fighting        Sega
Mike Ditka Power Football                   Sports          Ballistic/Accolade
Minnesota Fats Pool Legend                  Sports          Data East
MLBPA Baseball                              Sports          EA Sports
Monopoly                                    Board Game      Parker Bros.
Mortal Kombat                               Fighting        Williams
Mortal Kombat II                            Fighting        Williams
Mortal Kombat 3                             Fighting        Williams
Ms. Pac Man                                 Arcade/Maze     Tengen
Muhammad Ali Boxing                         Sports          Sega
MUSHA                                       Shooter         Seismic
Mutant League Football                      Sports/Arcade   EA
Mutant League Hockey                        Sports/Arcade   EA
Mystic Defender                             Platform        Sega
Mystical Fighter                            


NBA Action '94                              Sports          Sega Sports
NBA Action '95                              Sports          Sega Sports
NBA All Star Challenge                      Sports          Flying Edge
NBA Hang Time                               Sports          Midway
NBA Jam                                     Sports          Arena/Midway
NBA Jam Tournament Edition                  Sports          Acclaim
NBA Live '95                                Sports          EA Sports
NBA Live '96                                Sports          EA Sports
NBA Live '97                                Sports          EA Sports
NBA Live '98                                Sports          EA Sports
NBA Showdown '94                            Sports          
NCAA Final Four Basketball                  Sports          
NCAA Football                               Sports          Sega Sports
New Horizons (Uncharted Waters 2)           Strategy        Koei
Newman Haas Indy Car Racing                 Racing          
NFL '95                                     Sports          Sega Sports
NFL '98                                     Sports          Sega Sports
NFL Quarterback Club                        Sports          Acclaim
NFL Quarterback Club '96                    Sports          Acclaim
NHL '94                                     Sports          EA Sports
NHL '95                                     Sports          EA Sports
NHL '96                                     Sports          EA Sports
NHL '97                                     Sports          EA Sports
NHL '98                                     Sports          EA Sports
NHL All-Star Hockey 95                      Sports          Sega Sports
NHL Hockey                                  Sports          Sega Sports
NHLPA Hockey '93                            Sports          EA
Nigel Mansell's World Championship          Racing          Gametek
No Escape                                   Platform/Strat  Psygnosis
Nobunaga's Ambition                         Strategy        Koei
Normy's Beach Babe-O-Rama                   


Olympic Gold                                Sports          
Olympic Summer Games                        Sports          T*HQ
Onslaught                                   Platform/Fight  Ballistic/Accolade
Ooze                                        Adv/Shooter     Sega
Operation Europe                            Strategy        Koei
Out of This World                           Platform/Adv.   Virgin
Outlander                                   Racing          
Outrun                                      Racing          Sega
Outrun 2019                                 Racing          Sega
Outrunners                                  Racing          Data East


P.T.O.                                      Strategy        Koei
Pac Attack                                  Puzzle          Namco
Pac Mania                                   Arcade/Maze     Tengen
Pac Man 2: The New Adventures               Platform        Namco
Pagemaster                                  Platform        
Paperboy                                    Arcade          Tengen
Paperboy 2                                  Arcade          Tengen
Pat Riley Basketball                        Sports          Sega
Pebble Beach Golf Links                     Sports          Sega
Pele!                                       Sports          Accolade
Pele II                                     Sports          Accolade
Pete Sampras Tennis (6)                     Sports          Codemasters
PGA European Tour                           Sports          EA Sports
PGA Tour '96                                Sports          EA Sports
PGA Tour Golf                               Sports          EA Sports
PGA Tour Golf II                            Sports          EA Sports
PGA Tour Golf III                           Sports          EA Sports
Phantasy Star II (3)                        RPG             Sega
Phantasy Star III                           RPG             Sega
Phantasy Star IV                            RPG             Sega
Phantom 2040                                Act/Platform    Viacom
Phelios                                     Shooter         Namco
Pigskin Footbrawl (Jerry Glanville's)       Sports          Razor Soft
Pink Goes to Hollywood                      Platform        
Pinocchio                                   Platform        T*HQ
Pirates of Dark Water                       Platform        
Pirates! Gold                               Strategy/Adv    Microprose
Pit Fighter                                 Fighting        Tengen
Pitfall - Mayan Adventure                   Platform        Activision
Pocahontas                                  Platform        Disney Int.
Populous (1)                                Strategy        EA
Power Monger                                Strategy        EA
Powerball                                   Arcade          Namco
Predator 2                                  Platform/Fight  
Primal Rage                                 Fighting        Time-Warner Int.
Prime Time NFL                              Sports          Sega Sports
Prince of Persia                            Platform        Tengen
Pro Moves Soccer                            Sports          
Pro Quarterback                             Sports          
Puggsy                                      Platform        
Punisher                                    Platform/Fight  


Quackshot                                   Platform        Sega
Quad Challenge                              Racing          Namco


Race Drivin'                                Racing          Tengen
Radical Rex                                 Platform        Activision
Raiden Trad                                 Shooter         Bignet USA
Rambo III                                   Shooter/Action  Sega
Rampart                                     Arcade/Puzzle   Tengen
Ranger X                                    Platform/Shoot  Sega
Rastan Saga II                              Platform/Fight  Taito
RBI Baseball '93                            Sports          Tengen
RBI Baseball '94                            Sports          Tengen
RBI Baseball 3                              Sports          Tengen
RBI Baseball 4                              Sports          Tengen
Red Zone                                    Shooter (1P)    
Ren & Stimpy: Stimpy's Invention            Platform        Sega
Revenge of Shinobi                          Fighting/Platfm Sega
Revolution X                                Shooter         Acclaim
Rings of Power                              RPG/Adventure   EA
Risk                                        Board Game      Parker Bros.
Risky Woods                                 Adventure       EA
Ristar                                      Platform        Sega
Road Blasters                               Racing          Tengen
Road Rash                                   Racing          EA
Road Rash 2                                 Racing          EA
Road Rash 3                                 Racing          EA
Robocop 3                                   Platform/fight  Flying Edge
Robocop vs. Terminator                      Platform        Virgin
Rock 'n' Roll Racing                        Racing          Interplay
Rocket Knight Adventures                    Platform/shoot  Konami
Roger Clemens MVP Baseball                  Sports          
Rolling Thunder 2                           Platform/Fight  Namco
Rolling Thunder 3                           Platform/Fight  Namco
Rolo to the Rescue                          
Romance of 3 Kingdoms II                    Strategy        Koei
Romance of 3 Kingdoms III                   Strategy        Koei
Rugby World Cup '95                         Sports          EA Sports


Sagaia                                      Shooter         Taito
Saint Sword                                 Platform/Adv.   Taito
Samurai Shodown                             Fighting        
Saturday Night Slam Masters                 Sports          
Scooby-Doo Mysteries                        Adventure/Str.  Acclaim
Seaquest DSV                                Shooter/Strat.  
Sesame Street Counting Cafe                 Educational     EA Kids
Shadow Blasters                             Platform/Adv    Sage's Creation
Shadow Dancer                               Platform/Fight  Sega
Shadow of the Beast                         Platform        EA
Shadow of the Beast II                      Platform        EA
Shadowrun                                   Adventure       Sega
Shanghai II                                 Puzzle          Activision
Shaq-Fu                                     Fight/Adventure EA
Shining Force                               Strategy RPG    Sega
Shining Force II                            Strategy RPG    Sega
Shining in the Darkness                     RPG             Sega
Shinobi III                                 Fight/Platform  Sega
Shove It                                    Puzzle          Dreamworks
Side Pocket                                 Sports          Data East
Simpsons: Bart vs. Space Mutants            Platform        Flying Edge
Simpsons: Bart's Nightmare                  Platform        Acclaim
Skeleton Krew                               Adventure       Sega
Skitchin'                                   Racing          EA
Slaughter Sport                             Fighting        Razorsoft
Socket                                      Platform        Vic Tokai
Sol Deace                                   Shooter         Renovation
Soldier of Fortune                          Shooter/Platfm  Spectrum Holobyte
Sonic 3D Blast                              Platform        Sega
Sonic and Knuckles (10)                     Platform        Sega
Sonic Classics                              Platform        Sega
Sonic Spinball                              Pinball         Sega
Sonic the Hedgehog                          Platform        Sega
Sonic the Hedgehog 2                        Platform        Sega
Sonic the Hedgehog 3                        Platform        Sega
Sorcerers Kingdom                           RPG/Strategy    Treco
Space Harrier II                            Shooter         Sega
Space Invaders '91                          Arcade shooter  Taito
Sparkster                                   Platform        
Speedball 2                                 Sports/arcade   Arena Ent.
Spiderman (1993 - Sega)                     Platform/Fight  Sega
Spiderman (1995 - Acclaim)                  Platform/Fight  Acclaim
Spiderman/X-Men                             Platform/Fight  Flying Edge
Spiderman/Venom - Separation Anxiety        Platform/Fight  Acclaim
Splatterhouse 2                             Platform/Fight  Namco
Splatterhouse 3                             Platform/Fight  Namco
Sports Talk Baseball                        Sports          Sega
Spot Goes to Hollywood                      Platform        Acclaim
Star Control                                Strategy        Ballistic/Accolade
Star Trek: Deep Space Nine                  Misc/plat/shoot Playmates
Star Trek: The Next Generation              Strategy/Adv.   Sega
Starflight                                  Shooter/Strat.  EA
Stargate                                                    Acclaim
Steel Empire                                Shooter         Hot-B
Steel Talons                                Shooter/Flt Sim Tengen
Stormlord                                   Platform        Razorsoft
Street Fighter II Championship Edition      Fighting        Capcom
Street Smart                                Fighting        Treco
Streets of Rage                             Fight/Platform  Sega
Streets of Rage 2                           Fight/Platform  Sega
Streets of Rage 3                           Fight/Platform  Sega
Strider                                     Platform/Fight  US Gold
Strider Returns                             Platform/Fight  US Gold
Sub Terrania                                Shooter/Platfm  Sega
Summer Challenge                            Sports          Ballistic/Accolade
Sunsetriders                                Platform/Shoot  Konami
Super Baseball 2020                         Sports          
Super Battleship                            Strategy        
Super Battletank                            Strategy/Shoot  Absolute
Super Hang On                               Racing          Sega
Super High Impact                           Sports          
Super Hydlide                               RPG             Seismic
Super Monaco GP                             Racing          Sega
Super Monaco GP II                          Racing          Sega
Super Off Road                              Racing          Accolade
Super Smash T.V.                            Arcade/Shooter  Flying Edge
Super Street Fighter II                     Fighting        Capcom
Super Thunder Blade                         1st P Shooter   Sega
Super Volleyball                            Sports          Sega
Super Wrestlemania                          Sports          
Superman                                    Platform/Fight  
Sword of Sodan                              Platform        EA
Sword of Vermillion (3)                     RPG             Sega
Syd of Valis                                Platform        Renovation
Sylvester and Tweety                        Platform        Time-Warner Int.
Syndicate                                   Strategy/Adv    EA


T2 - The Arcade Game                        
T2 - Judgement Day                          
Talespin                                    Platform        Sega
Target Earth                                Shooter         Dreamworks
Task Force Harrier                          Shooter/Flt     Treco
Taz Mania                                   Platform        Sega
Taz: Escape from Mars                       Platform        Sega
Team USA Basketball                         Sports          EA
Techno Cop                                  Platform/Fight  Virgin
Technoclash                                 Platform        EA
Tecmo Super Baseball                        Sports          Tecmo
Tecmo Super Bowl                            Sports          Tecmo
Tecmo Super Bowl II                         Sports          Tecmo
Tecmo Super Bowl III                        Sports          Tecmo
Tecmo Super Hockey                          Sports          Tecmo
Tecmo Super NBA Basketball                  Sports          Tecmo
Tecmo World Cup                             Sports          Tecmo
Teenage Mutant Ninja Turtles - SEE "TMNT" below
Terminator                                  Platform        Virgin
Test Drive II: The Duel                     Racing          Accolade
Theme Park                                  Strategy        EA
Thomas the Tank Engine                      Educational     Sega
Thunder Force II                            Shooter         Technosoft
Thunder Force III                           Shooter         Technosoft
Thunder Fox                                 Platform/Fight  Taito
Tick                                        Platform/Fight  
Time Killers                                Fighting        T*HQ
Tinhead                                     Platform        Accolade
Tiny Toons: Acme All-Stars                  Sports          Konami
Tiny Toons: Busters Treasure                Platform        Konami
TMNT - The Hyperstone Heist                 Fighting/Platfm Konami
TMNT - Tournament Fighters                  Fighting        Konami
TNN Bass Tournament Champ                   Sports          
TNN Outdoors Bass Tour '96                  Sports          American Softworks
Todd's Adventures In Slime World            Platform        Renovation
Toe Jam & Earl                              Platform        Sega
Toe Jam & Earl 2 - Panic on Funkotron       Platform        Sega
Toki                                        Platform        Sega
Tom & Jerry: Frantic Antics!                Platform        Hi-Tech Expr.
Tommy Lasorda Baseball                      Sports          Sega
Tony La Russa Baseball                      Sports          EA Sports
Tony La Russa Baseball '95                  Sports          EA Sports
Top Gear 2                                  Racing          Vic Tokai
Toughman Contest                            Fighting        EA Sports
Toxic Crusaders                             Platform        Sega
Toy Story                                   Platform        Disney Int.
Toys                                        Platform        
Trampoline Terror                           Puzzle          Dreamworks
Traysia                                     RPG             Renovation
Triple Play '96                             Sports          EA Sports
Triple Play Gold Edition                    Sports          EA Sports
Triple Score                                Multi           Sega
Trouble Shooter                             Shooter         Vic Tokai
Troy Aikman Football                        Sports          Tradewest
True Lies                                   Platform/Fight  
Truxton                                     Shooter         Sega
Turrican (1)                                Shooter/Platfm  Accolade
Twin Cobra                                  Shooter         Treco
Two Crude Dudes                             Platform/Fight  Data East
Tyrants                                     Strategy        


Ultimate Mortal Kombat                      Fighting        Williams
Ultimate Qix                                Puzzle/Arcade   Taito
Uncharted Waters                            Strategy        Koei
Universal Soldier                           Platform/Fight  Accolade
Unnecessary Roughness '95                   Sports          Accolade
Urban Strike                                Shooter/Str.    EA


Valis                                       Platform/Shoot  Renovation
Valis III                                   Platform/Shoot  Renovation
Vapor Trail                                 Shooter         Renovation
Vectorman                                   Platform        Sega
Vectorman 2                                 Platform        Sega
View Point                                  Shooter         American Sammy
Virtua Fighter 2                            Fighting        Sega
Virtua Racing (4)                           Racing          Sega Sports
Virtual Pinball                             Pinball         EA
VR Troopers                                 Fighting        Sega


Wacky Worlds (11)                           Education       Sega
Wardner                                     Platform        Mentrix
Warlock                                     Fighting        Namco
Warpspeed                                   Shooter/strat   Accolade
Warrior of Rome                             Strategy        Bignet USA
Warrior of Rome 2                           Strategy        Bignet USA
Warsong                                     Strategy        Treco
Wayne Gretzky/NHLPA                         Sports          
Wayne's World                               Platform        T*HQ
Weaponlord                                  Fighting/Platfm Namco
Whac-a-Critter (2)                          Arcade          Realtec
Wheel of Fortune                            Quiz            Gametek
Where in the World is Carmen San Diego (7)  Education       
Where in Time is Carmen San Diego? (8)      Education       
Whip Rush                                   Shooter         Renovation
Wimbledon Tennis                            Sports          Sega Sports
Wings of Wor                                Shooter         Dreamworks
Winter Challenge                            Sports          Ballistic/Accolade
Winter Olympic Games                        Sports          US Gold
Wiz 'n' Liz                                 
Wolfchild                                   Platform        JVC
Wolverine: Adamantium Rage                  Platform        Acclaim
Wonder Boy in Monster World                 Platform/Adv    Sega
World Championship Soccer                   Sports          Sega
World Championship Soccer II                Sports          Sega
World Cup USA '94                           Sports          
World Heroes                                Fighting        Sega
World Series Baseball                       Sports          Sega Sports
World Series Baseball '95                   Sports          Sega Sports
World Series Baseball '96                   Sports          Sega Sports
World Series Baseball '98                   Sports          Sega Sports
World Trophy Soccer                         Sports          Virgin
Wrestlemania: The Arcade Game               Sports          Acclaim
WWF Raw                                     Sports          
WWF Royal Rumble                            Sports          Flying Edge


X-Men                                       Platform/Fight  Sega
X-Men 2: Clone Wars                         Platform/Fight  Sega
X-Perts                                     Platform        Sega


Ys III                                      Action/RPG      Renovation
Young Indiana Jones/Instruments of Chaos    Action/Platfm   Sega


Zany Golf (1)                               Sports          EA
Zero the Kamikaze Squirrel                  Platform        Sunsoft
Zero Tolerance                              1st Psn shooter Accolade
Zombies Ate My Neighbors                    Action          Konami
Zool                                        Platform        Gametek
Zoom                                        Puzzle          Sega
Zoop                                        Puzzle          Viacom


Notes:
(1)  Works only on original Genesis (very first release of Genesis 1 that
     contained "Altered Beast" as a pack-in) or on other Genesis units
     with a Game Genie.

(2)  Unlicensed release.

(3)  Packaged with a separate hint/solution guide from Sega.

(4)  Does not work with the Sega 32X attached.

(5)  Packaged with Konami's "Justifier" light pistol.

(6)  Cartridge contains two joypad ports to allow up to four players.

(7)  Packaged with 1992 World Almanac.

(8)  Packaged with New American Desk Encyclopedia.

(9)  Game had different publisher upon re-release.  Earliest publisher
     is listed first.

(10) Cartridge has port on top to allow "lock-on" of another cartridge (works
     with Sonic 2 and Sonic 3).

(11) This kids' program was packaged with a mouse in a slightly thicker
     (cardboard) box.

Miscellaneous:

Q: What games are not compatible with any version of the Genesis?
A: The only games that are not compatible with ANY model Genesis are some of
   the early releases from Electronic Arts: Budokan, Ishido, Zany Golf.  These
   are *only* compatible* with the earliest model Genesis; since they were not
   "licensed" titles, Sega modified the internal circuitry to make these
   titles (but no others) incompatible with later releases of the machine.

Q: Which games are NOT compatible with the Nomad?
A: The following is a Usenet post from Sega employee Lisa Wilson in an attempt
   To address the subject:

   From: Lisa Best Wilson 
   Newsgroups: rec.games.video.sega
   Subject: Nomad Incompatibility List (from SEGA)
   Date: 19 Oct 1995 17:02:48 GMT
   Organization: Sega of America

   I've learned that it's difficult to get through on our Consumer
   Services 800 number, so I'm posting the current list of Genesis games
   that we have found to have problems on Nomad. This is the "official"
   list as of now. The test process is ongoing and we will update the
   list if we discover other problems. 

   Please bear in mind that there are over 500 Genesis games and in
   order to test them properly, they need to be played numerous times
   and played through more than just the first level. This process takes
   a very long time. If anyone has problems with a game that isn't on
   this list, please contact me and I will have your problem verified
   through the test cycle. 

   The following games have been found to NOT work on Nomad due to
   serious freezing glitches or unusual button configurations (making it
   too difficult to play):

DecapAttack
       Forgotten Worlds
       Bonkers
       Golden Axe 2

   The following games have been found to freeze periodically or need
   multiple attempts to power up, but continue to work after resetting:
 
       Chakan
       Pit Fighter
       Shadow Run
       Sonic 1
       Streets of Rage 1

   In addition, Outback Joey -- a game designed for an exercise bike
   hookup -- does not work on Nomad.

   Thanks for your continued support.

   Lisa Best Wilson
   Product Manager
   Sega of America

Q: Which games come in both cardboard box and plastic case?
A: Those which were released early (i.e. before Sega's decision sometime in
   1995 to use ALL cardboard boxes instead of those WONDERFUL plastic cases
   we've been spoiled with) and re-released later.  No idea if these are rarer
   than the plastic case releases, but in most/all cases the docs and cart
   appear identical to the original releases.  Titles include:

   Sega:
      Ariel - The Little Mermaid
      Jurassic Park
      Mickey Mouse: World of Illusion
      Sonic the Hedgehog 3
      Super Monaco GP
      Taz: Escape from Mars
      X-Men 2: Clone Wars
      (many more)

   Parker Bros (re-released by Ballistic/Accolade):
      Clue
      Monopoly
      Risk

   Tengen
      Ms. Pacman
      Paperboy
      Paperboy 2
      Steel Talons

   Electronic Arts
      Desert Strike
      Jungle Strike
      Mario Andretti Racing
      Urban Strike

   Misc:
      Caesar's Palace
      Jeopardy!
      Wheel of Fortune

Q: What are the "blue label games"?  "Kids Club" games?
A: All these were releases intended for children.  "Blue label" refers to the
   BLUE *Genesis* name stripe on the left (which is normally red).  Blue
   stripe titles include:
           Berenstain Bears
           Barney's Hide & Seek
           Thomas the Tank Engine

   Kids' Club titles include:
           Crystal's Pony Tale
           Ecco Jr.
           Magic School Bus
           Sesame Street Counting Cafe
           Wacky Worlds

Q: Which games are compatible with the Sega Mouse?
A: Partial list here:
           Art Alive
           Wacky Worlds (packaged with Mouse)

Q: Which games are compatible with the Konami justifier light gun?
A: Lethal Enforcers  (packaged with Justifier in large box)
   Lethal Enforcers II

Q: Which games behave differently when the language switch (Section 2.5) is
   installed, and switched to Japanese?
A: Here is a partial list:

    * After Burner (32X): has "Super 32X" logo after the Sega logo.
    * Battle Mania II: works normally, but without joysticks it gives you a
      screen telling your language mode, NTSC/PAL, and system version.
    * Bonanza Brothers: Game plays in Japanese.  (Maybe.  There seems to be
      more than one version floating around.)
    * Chase HQ II: speedometer changes to KM/H.
    * Columns: Game plays in Japanese.
    * Cosmic Carnage (32X): Turns into "Cyber Brawl", with different
      characters.  Also shows the Super 32X logo.  (Pressing and holding X, B,
      and Z when you turn the machine on lets you get Cyber Brawl on a regular
      Genesis.)
    * Cyberball: Japanese version has a modem option.
    * Dragon's Fury: Works only with language set to English.  The original,
      Devil's Crush MD, works either way.
    * Dynamite Duke: Harder on the Mega Drive.
    * Elemental Master: Harder on the Mega Drive.
    * Fatal Labyrinth: Game plays in Japanese.
    * Fire Shark: Different title screen with Kanji.
    * Flicky: Characters have Japanese names and instructions are in Japanese.
    * Forgotten Worlds: Game plays in Japanese.
    * Gaiares: only mentions the Japanese licensee on the title screen, and
      has Japanese text; you can also select Japanese text from the option
      screen.
    * Gain Ground: "Press start" is "Push start" in the Japanese version, and
      the mention of Renovation is removed.
    * Gauntlet IV: The game has lockout, but you can flick the switch and then
      reset.  The Japanese version has Japanese text (sound stays English),
      says "Megadrive", and has a Gauntlet (not Gauntlet IV) logo on the game
      screen.  If you reset too late, you have to select the text language
      manually.
    * Ghostbusters: Game plays in Japanese.
    * Ghouls and Ghosts: Different title screen with Kanji.  To see it on a
      Genesis, select the last music and sound (26 and 56) from the options
      screen, then press lower left; A, B, or C; and Start all at the same
      time.  (I never tried this, but Gamepro magazine claimed it works.)  The
      game shows some other Japanese text, and when you die during a boss you
      start out earlier.
    * Herzog Zwei: company's name is spelled "Tecnosoft". 
    * Insector X: Title screen refers to company as Hot-B, not Sage's
      Creation. The MD version shoots more slowly.  The ending text is still
      English.
    * Marvel Land: The Japanese version says "for Mega Drive" or "for Genesis"
      but the language stays Japanese.  Also, the Japanese version says "Push
      Start" and the English "Press Start".
    * Metal Head (32X): has a different, colored, Sega logo and a different
      Sega sound, Japanese text (also available in US mode from the options
      screen), and an "anime" option as well as "photo" and "picture".
    * Monaco GP: Game plays in Japanese (also an option on the option screen).
    * Mystic Defender: This game is actually the anime-based Kujaku-Ou
      (Peacock King) 2 game.  In Japanese mode, the opening text is replaced
      by a graphics screen (never seen in the US version) with Japanese.  The
      levels have names, the main character wears a white robe, the lightning
      magic effect is different, and the character is named Kujaku in the
      ending text (which is still English).
    * Outrun: The attract mode lacks sound, the startup screen says "push"
      (not "press") start button, and "(C) Sega 1986, 1991" is printed in
      reverse order.  The default options are KM/H and a different button
      selection (but can still be changed on the option screen).
    * Quackshot: Game plays in Japanese.
    * Raiden Trad: The "licensed to Sega" line is absent on both title
      screens, and the second title screen includes only the Japanese part
      instead of the non-Japanese part of the first one.
    * Rambo III: Game plays in Japanese.
    * Revenge of Shinobi: Title changes to Super Shinobi; credits show at the
      end.
    * Rolling Thunder II: The Japanese version only works on a Japanese
      setting.  The US version works either way (and isn't bilingual).
    * Sonic the Hedgehog II: Tails is renamed to "Miles".
    * Space Harrier (32X): has "Super 32X" logo after the Sega logo.
    * Streets of Rage: Title screen changes to Bare Knuckle, and all text is
      in Japanese, including the introduction.  The clock resets when you
      encounter the bosses.
    * Streets of Rage II: Turns to Bare Knuckle II, and renames Skate to
      Sammy -- _if_ you change the setting sometime after turning the machine
      on (to skip the lockout).
    * Super Fantasy Zone: opening cinema changes from English/Japanese.
    * Super Hang-On: Plays in Japanese, which is also accessible with A+B+C on
      the logo screen.
    * Thunder Force II: Title screen has "MD" on it, and company name is
      "Tecnosoft".
    * Thunder Force III: company's name is spelled "Tecnosoft".
    * Thunder Force IV: claims to be licensed for Genesis, if you change the
      switch after the lockout check.
    * Thunder Storm FX (CD): Turns to Cobra Command in US mode.
    * Truxton: Japanese title is Tatsujin.
    * Twin Hawk: Different title screen with Kanji.
    * Wrestle War: The wrestler is blond on a Genesis and black-haired on a
      MegaDrive.



**************************
*Section 4 - Peripherals *
**************************

The Genesis had quite a long lifespan; from its release in the US in 1989
until now, many peripherals were developed and sold for use with the Sega
Genesis.

Two system add-on "upgrades" were developed by Sega to enhance the gameplaying
experience for Genesis owners:

   * Sega CD - allows Genesis owners to use the Sega CD library (see Sega CD
               FAQ for more info).
   * Sega 32X - 32-bit "upgrade" for Genesis owners, plugs into cart slot and
               requires some rerouting of A/V cables.  See Sega 32X FAQ.

Various other devices were developed by Sega and other companies.  Note:
JOYPADS are not listed here since there were so many varieties from many
companies.

   Activator - Karate/fighting game aid.  Large ring of motion sensors that
      determine one's moves and translate them to actions in games.

   Batter Up! - Batting simulator.  Actual baseball bat with sensors to
      determine swing vector and simulates it in certain baseball games.

   Game Genie - Cheat device.  This is an elongated cartridge that plugs into
      the Genesis cart slot and accepts carts on its upper end.  When
      activated, the user can supply codes (there is a book supplied with the
      Genie that lists thousands of codes for many different games) that allow
      various cheats during the game.  Examples - infinite lives,
      invincibility, infinite ammo, level skips, etc.  From GALOOB.

   Master Deck - Backward compatibility device.  This black unit plugs
      directly onto the top of a Model I Genesis; it fits snugly over the
      circular portion.  It lets you play Sega Master System (Sega's 8-bit
      game machine that was released in 1986) titles on your Genesis.  Does
      not fit on top any Genesis other than a Model I Genesis. From SEGA.

   Menacer - Light Gun.  More like a "light bazooka", the user puts it on
      his/her shoulder and uses the sight to aim.  Came packaged with either a
      6-in-1 multicart of simple shooter games or Terminator 2.  Uses an
      infrared receiver which is best positioned above the TV/monitor, and
      plugs into the controller port.  (Similar to the Superscope for the
      SNES)  From SEGA.

   Pro Action Replay - Cheat device.  The Pro Action Replay is different from
      the Game Genie because it allows you to save a game "state".  This lets
      you go back and play a certain part of a game as many times as you need
      to in order to beat that particular section.  It also accepts codes like
      the Genie does (although the PAR codes are not compatible with Genie
      codes).  From DATEL (UK).

   Sega Channel - Cable-TV pay service.  This was a service offered by some
      cable companies and allowed subscribers to download games and demos to
      their Genesis.  The service was discontinued in early 1998 as the
      Genesis' popularity waned.  (I do not have any info on the peripheral
      device used to connect the Genesis to the cable system)

   Tee Vee Golf - Golf swing simulator.  Contains golf club and sensors to
      determine swing vector and simulates it in certain golf games.

   X-Band Modem - Game modem.  This modem plugs into the cartridge slot and
      has a phone out jack.  The X-Band modem is controlled by the Genesis and
      the user (via the joypad) and allows the user to compete against other
      users connected to the "X-Band Network".  The X-Band Network is/was a
      subscription-based service.  The user had to own the game cartridge
      before being able to compete with another X-Band user (who also had to
      have the same game cartridge).


**************************
* Section 5 - Emulators  *
**************************

This section covers emulators developed for the Macintosh and IBM-PC
computers.

If you're a novice to emulation, read this section.  (If not, skip down the
the list below)

It is possible to play Genesis games on your PC or Mac!  You can, if you have
a few things: (1) a FAST enough machine, (2) the emulation software, and (3)
the game ROM images.  A Sega Genesis emulator is essentially a program that
runs on top of your operating system and plays - as an application - Sega
Genesis cartridge-based games.  No, you do not actually *connect* your
cartridge to your computer and play it like that; you must first find the game
ROM image files and select the game you want to play from *within* the
emulator program.

A typical game system emulator works like this.  You open the application by,
perhaps, double-clicking it.  Then a browse screen will appear, prompting you
for a game file.  You can then navigate to the game file, select it - thus
loading it into the emulator.  The emulator window is then a 100% perfect
replica of your game, with controls passed onto the keyboard (key translation
depends entirely on the emulator, there is no standard).  You can then play
the game until you are tired of it (or beat it!) and then select a new one in
the same window.

Emulators are generally written by (very talented) hobbyists rather than big
companies.  The authors put a lot of hard work into them, and when you are
running a game of "Gunstar Heroes" in one window while waiting for a VAX job
to finish in another one, you really appreciate their effort.

In order to emulate a different hardware system, the program has to start from
the ground floor.  Typically, the main chipset is emulated first.  This
ensures that the basic instructions at the most *basic* level of the hardware
are performed correctly.  Gradually, pieces of the hardware's operating system
and other system chips (graphics, sound, etc.) are added in the code to
provide a more complete emulation.  Eventually, the entire machine has been
emulated - from the CPU to the operating system.  Now all you need are the
game ROM files.

Q:  What are game ROM files?
A:  These are the actual cartridge programs.  The code from a game cartridge
    can be downloaded to a computer file if you have the equipment (see next
    question).  Once you have the game code transferred to a computer file, it
    is ready to run with the emulator software (unless the file needs to be
    formatted in any particular way to run with a certain emulator).

Q:  How can I transfer my cartridge library to computer files?
A:  One way to do this is to use a cartridge copier (this isn't exactly a
    legal item here, so I can't exactly *endorse* it.  This is a device -
    typically - that has a cartridge slot and a disk drive.  The machine reads
    the data from the cartridge and stores it in a file on the disk.  These
    are *supposed* to be used to backup one's games, but obviously were also
    used for software piracy.  Cartridge copiers are not legal in the U.S. and
    are produced in Asia (Hong Kong and Taiwan, primarily).

Q:  Where can I get game ROM files?
A:  Not from me!  PLEASE don't ask me for them, I do not keep ROM files and
    this is a touchy legal subject.  If you want game ROM images, search the
    Web for them with "ROMs" or "game ROMs" or "ROM images" (along these
    lines, probably anything with "ROM" in it will turn up some sites).  I do
    not want to list websites in the FAQ since (a) they tend to change very
    frequently, and (b) I do not want to choose favorites.  There are many,
    many sites out on the Net and a little searching will turn up quite a few
    results.

Q:  Where can I get the emulator programs?
A:  They are found all over the web.  Try a search on "Genesis emulator" and
    several sites will pop up.  There are numerous available.

    For the Macintosh, essentially ALL emulators can be found at

    http://www.emulation.net

Q:  How fast does my computer have to be in order to run an emulator?
A:  That depends on two things: (1) the emulator software (some emulators are
    optimized better than others and do not require as much muscle from the
    CPU), and (2) how your computer is configured.  Emulators have to do a LOT
    of work - a tremendous amount of number-crunching and graphics output.  In
    order for your computer to run it best, I would recommend eliminating an
    background processes that may slow it down.  In other words, let the
    emulator hog up all the processing power of your computer.  If you have a
    PC, running the emulator from DOS is better than running it from Windows
    due to the overhead that Windows demands (graphic processing can eat it
    up).  If you have a Mac, try turning off as many extensions as possible
    (perhaps create a new stripped-down set with Extensions Manager to run
    specifically for your emulator).  There are many ways to improve the
    performance.

    As to how much speed you'll need, that is difficult to determine - but at
    this point, a Power Macintosh or Pentium-based PC would almost certainly
    be required.

Note also that many emulators are still in various stages of development.  If
you download a version

Emulator List

There are several Sega Genesis emulators for the Mac and IBM-PC computers.  I
have not personally tested them all and cannot vouch for each one, your best
bet is to try them all (for your system) and choose the one that works best on
your system.

For the Apple Macintosh

Xxxxxxxxxxxxxxxxxxxxx

There are a few emulators out there for the Mac.  More in the next version of
the FAQ, but here's one:

GenEm - still in early stage.  No sound support but runs clean video.
        Author: Brian Verre  (http://www.execpc.com/~wverre)



For the IBM-PC

There are a few emulators for the PC, more in the next version.  Here's one:

GenEm - Not sure about status
        (http://myst.slcc.edu/~markus)

xxxxxxxxxxxxxxxxxxxxx


****************************
*Section 6 - Miscellaneous *
****************************

***  Cleaning your Genesis/Megadrive cartridges

   It is important that you keep your cartridge contacts as clean as possible.
   Signs that you are playing a game with dirty contacts include a failure to
   start up, saved games being erased, and a cartridge "crash" in the middle
   of a game.

   Very simple - a Q-Tip and some isopropyl alcohol ("rubbing alcohol").  Dip
   a Q-tip into the alcohol.  It is not necessary to saturate the swab, but
   get at least enough to wet it.  Then, rub one side of the cartridge contact
   strip with the wet swab.  You will notice black appear on the swab; these
   are the oxidation compounds that occur naturally between any sort of
   electrical contacts, and eventually build up and reduce the conductivity
   (sometimes eliminating it altogether).

   It is a good idea to use one end of a swab for each side of the contact
   strip. This way, you don't re-contaminate a potentially clean part of the
   strip with oxidation from the other side.  Most of the oxidation appears at
   the very *tip* of the contact strip, so be sure to clean the edge very
   thoroughly.

   Allow the cartridge to dry before plugging it back into the deck.

   Note: I have occasionally read in one of the Usenet newsgroups that some
   users disagree completely with this method.  The objection seems to be from
   using 100% isopropyl alcohol.  (Claim is that it does not react well with
   circuit board resin and would only worsen your cartridge condition)  I have
   cleaned several hundred cartridges for many systems with rubbing alcohol,
   including Genesis cartridges, and not once have I had a problem with it.


*** Cleaning your Sega Genesis/Megadrive deck

   To clean the contact card connector inside your Genesis/Megadrive unit, you
   will have to have a cartridge cleaning kit.  These kits typically contain a
   card that fits inside the Genesis cart slot, to clean the inner surfaces of
   the contact pins.  There are two basic varieties of these cleaning kits -
   wet and dry.  The wet kit uses such a card - usually with some sort of
   mildly abrasive end - and a bottle of isopropyl alcohol/water solution.
   Put a few drops of the solution on the card edge and put into the cart
   slot.  Repeat several times to clean the entire row of connector pins.  The
   dry version of this uses a similar cleaning card, but usually in the dry
   version the cleaning card end is made of a mildly abrasive material that is
   able to clean the pins by scraping the oxidation off.


*** Opening up a Genesis cartridge

   This is not something I would recommend you do if possible.  There aren't
   too may reasons to open up a Genesis cartridge, but they include:

          - replacing an old battery for gamesave feature
          - to remove a piece of debris inside the cart to stop it from
            "rattling"
          - to inspect the circuit board of a cartridge to look for loose
            connections and repair if necessary
          - general curiosity

   If you have tried to open a Genesis/MD cartridge with normal tools, you
   have probably discovered that they will not do it for you.  That's because
   Sega used a different type of screw head in the cart manufacture.  You will
   have to obtain a special "security bit" for Sega games; this bit can fit on
   a driver (like a screwdriver but with a connector-type end to attach bits
   such as this one) and changed as much as you want.  The bit can be bought
   from MCM Electronics for about $8, the driver is about $5.


*** Sources for more Sega Genesis/Megadrive information

   The best place for ANY information these days is the Internet.  There are
   many sites on the Internet that contain Sega Genesis-related information,
   but are too numerous to list here.  Also, due to the transient nature of
   many personal websites (here today, gone tomorrow) I prefer NOT to list
   them since it is not uncommon for a site to disappear forever.

   Simply do a web search to find them.  Try one of the following search
   Engines:

        http://www.altavista.digital.com
        http://www.yahoo.com
        http://www.hotbot.com

   Put "Sega Genesis" as the keyword(s) and many sites will appear.  Not all
   Contain useful information, but if you do a little work it should pay off.

   If you are looking for cheats, walkthroughs, or game/system FAQs,
   there are three wonderful sources for this information:

        http://www.segasages.com    (incredible cheats library)
        http://www.gamefaqs.com     (system/game faqs and walkthroughs)
        http://www.miningco.com     (even more info on many game systems)

   There are also two Usenet newsgroups where you can look for
   Genesis/Megadrive information:

        alt.sega.genesis
        rec.games.video.sega        (recommended)

   Many, many books were released on the Sega Genesis and games for the
   system.  I cannot list them in this version of the FAQ but will as soon as
   I cull more information on them.

Q: Where can I buy games for my Genesis/Megadrive system?
A: There are still a few places that - as of this writing - still sell games
   for the Sega Genesis.  (I cannot speak for Europe and Japan, but would
   always recommend Toys R Us anywhere as a starting point)  Most of the
   games available are recent releases or re-issues, and most software stores
   still sell them, although a typical selection might only be about 20
   titles.  Some Wal-Mart stores still carry a selection of Genesis games -
   although it's probably reduced and only the re-issues (Jeopardy!, Little
   Mermaid, Clue, Lion King, etc.).  Toys R Us stores tend to have the best
   selection, drawing from a huge inventory with some stores still offering
   titles from 1994-5.  Your best bet, if you are looking for an older
   Genesis title, is to check out rec.games.video.marketplace and see if
   anyone is selling or auctioning it there.  There are also many store
   websites that sell used Genesis games, your best bet to find these is to
   do a websearch (Yahoo, Altavista, Hotbot, etc.) on the words "Genesis
   games for sale" or some variant.  The search engine always turns something
   useful up.

Q: Can I still rent Sega Genesis video games?
A: Probably.  As of this writing, many Blockbuster stores still rent them,
   but your best bet is often with the "mom & pop" video stores that are
   slow to convert to the latest system(s).  Rental places are also a great
   place to buy the games, used, when they are finished renting them.

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