Difference between revisions of "GEMS"

From Sega Retro
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{{SoundDriverList|GEMS|MD}}
 
{{SoundDriverList|GEMS|MD}}
 
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{{multicol|
 
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===A===
 
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*''[[AAAHH!!! Real Monsters]]''
 
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*''[[The Adventures of Rocky and Bullwinkle and Friends]]''
 
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*''[[Aero the Acro-Bat 2]]''
 
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*''[[Andre Agassi Tennis]]''
 
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*''[[Awesome Possum]]''
 
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===B===
 
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*''[[B.O.B.]]'' (Space Funky B.O.B.)
 
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*''[[Baby's Day Out]]'' (beta)
 
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*''[[Ballz 3D]]''
 
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*''[[Barbie Super Model]]''
 
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*''[[Batman: Revenge of the Joker]]''
 
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*''[[Beyond Zero Tolerance]]'' (beta)
 
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*''[[Body Count]]''
 
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*''[[Bonkers]]''
 
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*''[[Brutal: Paws of Fury]]''
 
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===C===
 
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*''[[Cal Ripken Jr. Baseball]]''
 
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*''[[Cannon Fodder]]''
 
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*''[[Championship Pool]]''
 
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*''[[Clay Fighter]]''
 
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*''[[Cliffhanger]]''
 
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*''[[Clue]]''
 
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*''[[College Football's National Championship]]''
 
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*''[[College Slam]]''
 
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*''[[Cool Spot]]''
 
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===D===
 
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*''[[David Crane's Amazing Tennis]]''
 
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*''[[The Death and Return of Superman]]''
 
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*''[[A Dinosaur's Tale]]''
 
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*''[[Aladdin|Disney's Aladdin]]''
 
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*''[[Donald in Maui Mallard]]''
 
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*''[[Duke Nukem 3D (Mega Drive)|Duke Nukem 3D]]''
 
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*''[[Dune: The Battle for Arrakis]]''
 
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===E===
 
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*''[[Eternal Champions]]''
 
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*''[[Evander Holyfield's Real Deal Boxing]]''
 
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*''[[Ex-Mutants]]''
 
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===F===
 
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*''[[F1 World Championship Edition]]''
 
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*''[[Flashback: The Quest for Identity]]''
 
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*''[[Frank Thomas Big Hurt Baseball]]''
 
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===G===
 
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*''[[Garfield: Caught in the Act]]''
 
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*''[[Gargoyles]]''
 
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*''[[Generations Lost]]''
 
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*''[[Goofy's Hysterical History Tour]]''
 
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*''[[The Great Waldo Search]]''
 
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*''[[Greendog: The Beached Surfer Dude]]''
 
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===J===
 
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*''[[Jammit]]''
 
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*''[[Jelly Boy]]'' (beta)
 
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*''[[Jeopardy! (GameTek)|Jeopardy!]]''
 
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*''[[Jimmy White's Whirlwind Snooker]]''
 
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*''[[Jurassic Park (Mega Drive)|Jurassic Park]]''
 
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===M===
 
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*''[[Madden NFL '96]]''
 
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*''[[The Magic School Bus]]''
 
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*''[[Marko's Magic Football]]''
 
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*''[[Mickey's Ultimate Challenge]]''
 
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*''[[Mortal Kombat 3]]''
 
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===N===
 
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*''[[NBA Action '94]]''
 
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*''[[NBA Action '95 Starring David Robinson]]''
 
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*''[[NBA Jam]]''
 
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*''[[NBA Hang Time]]''
 
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*''[[NCAA Football]]''
 
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*''[[NFL Football '94]]''
 
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*''[[NFL Quarterback Club '96]]''
 
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*''[[Nightmare Circus]]''
 
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===P===
 
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*''[[Pinocchio]]''
 
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*''[[The Pirates of Dark Water]]''
 
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*''[[Pirates! Gold]]''
 
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*''[[Prince of Persia]]''
 
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*''[[Pro Quarterback]]''
 
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*''[[The Punisher]]''
 
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===R===
 
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*''[[RBI Baseball '94]]''
 
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*''[[The Ren & Stimpy Show Presents Stimpy's Invention]]''
 
−
 
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===S===
 
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*''[[SeaQuest DSV]]''
 
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*''[[Sega Channel]]''
 
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*''[[Shadowrun (Mega Drive)|Shadowrun]]''
 
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*''[[Shaq-Fu]]''
 
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*''[[Spirou]]''
 
−
*''[[Star Trek: The Next Generation: Echoes from the Past]]''
 
−
*''[[Super Battleship]]''
 
−
*''[[Super Mario World 64]]''
 
−
*''[[Sylvester and Tweety in Cagey Capers]]''
 
−
 
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===T===
 
−
*''[[Tale Spin]]''
 
−
*''[[Taz-Mania]]''
 
−
*''[[Taz in Escape From Mars]]''
 
−
*''[[Tecmo Super Baseball]]''
 
−
*''[[Tintin in Tibet]]''
 
−
*''[[TNN Outdoors Bass Tournament '96]]''
 
−
*''[[Toy Story]]''
 
−
*''[[Troy Aikman NFL Football]]''
 
−
 
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===W===
 
−
*''[[Wacky Worlds]]''
 
−
*''[[Wild Snake]]'' (beta)
 
−
*''[[World Series Baseball (Mega Drive)|World Series Baseball]]''
 
−
*''[[World Series Baseball 98 (Mega Drive)|World Series Baseball 98]]''
 
−
*''[[WWF Royal Rumble (Acclaim)|WWF Royal Rumble]]''
 
−
*''[[WWF Super Wrestlemania]]''
 
−
 
−
|cols=3}}
 
  
 
===[[32X]]===
 
===[[32X]]===

Revision as of 13:14, 25 January 2019

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GEMS Graphical User Interface.png

GEMS
System(s): Mega Drive, Sega 32X
Developer:

This short article is in need of work. You can help Sega Retro by adding to it.

GEMS (Genesis Editor for Music and Sound effects) is a sound driver for the Sega Mega Drive. It was developed by Jonathan Miller (drivers and firmware), Burt Sloane (programming), Chris Grigg and Mark Miller (concept and design) of Recreational Brainware by Sega of America's request, and mainly used by western developers.

The software integrates a programming language that can be built into the composition file and is context-sensitive to gameplay events within the game itself. This is acomplished by setting aside shared memory space that will allow the sound driver to comunicate with the game and vice-versa. Using this technique, the music can change to reflect conditions within the game. For instance, it can be used to track the number of enemies onscreen and change pitch or tempo when a certain threshold is reached or it can be timed to play when certain effects, such as flashes of light, are used.

GEMS Graphical User Interface (alt).png

While in games using other drivers, such Alien Soldier or Shinobi III basic behaviour such as playback speed is controlled by a single variable (which can be easly manipulated by an action replay or hex editor), GEMS has to change the data of the whole music track stored on the ROM for the same effect. This can be easily noticed by comparing data in partially PAL optimized games, such as Cool Spot.

List of games that use GEMS

Mega Drive

32X

Development kit

On September 24, 2007, drx released the official GEMS development kit.

Download.svg Download GEMS Development Kit
File: GEMS.zip (324 kB) (info)

References

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