Difference between revisions of "GEMS"

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{{stub}}'''GEMS''' (''Genesis Editor for Music and Sound effects'') is a sound driver used in [http://gdri.smspower.org/wiki/index.php/Mega_Drive/Genesis_Sound_Engine_List 186 documented games] for the Sega [[Genesis]], including ''[[Sonic Spinball]]''. 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]]'s request, and mainly used by western developers.
 
{{stub}}'''GEMS''' (''Genesis Editor for Music and Sound effects'') is a sound driver used in [http://gdri.smspower.org/wiki/index.php/Mega_Drive/Genesis_Sound_Engine_List 186 documented games] for the Sega [[Genesis]], including ''[[Sonic Spinball]]''. 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]]'s request, and mainly used by western developers.
  
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While in games using other drivers, such [[Alien Soldier]] or [[Shinobi 3]] 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 ntoiced by comparing data in partially PAL optimized games, such as [[Cool Spot]].
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While in games using other drivers, such [[Alien Soldier]] or [[Shinobi 3]] 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]].
 
   
 
   
 
On September 24, 2007, [[sonic:drx|drx]] released the official [http://www.hidden-palace.org/?news/c/13 GEMS development kit].
 
On September 24, 2007, [[sonic:drx|drx]] released the official [http://www.hidden-palace.org/?news/c/13 GEMS development kit].

Revision as of 14:43, 12 July 2017

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GEMS (Genesis Editor for Music and Sound effects) is a sound driver used in 186 documented games for the Sega Genesis, including Sonic Spinball. 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's request, and mainly used by western developers.

While in games using other drivers, such Alien Soldier or Shinobi 3 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.

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

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

List of Sega Mega Drive games that use GEMS

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B

C

D

E

F

G

H

I

J

K

M

N

O

P

R

S

T

U

V

W

X

Y

Z

List of Sega 32X games that use GEMS

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