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Game Genie BIOS (Genesis)

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The first follow-up to the NES version of the popular cheat device, this one introduced such additional features as support for up to five codes and the built-in effects switch.

Unlike their rivals, Sega actually gave this a license. "Genesis Does What Nintendon't", indeed.

Unused Characters#

There are several characters out of bounds that can be selected by forcing RAM address pointer $8059 beyond the final selectable character while in the first row of letters.

Artwork

Value

Description

$21

The letter "I".

$22

A blank graphic.

$23

The letter "U".

$24

A pile of coins.

$25

A genie lamp.

$26

A snake.

$27

A basket.

Developer Credits#

Stored at address 32E.

Game Genie program developed by Robert Leyland for MicroSystems Development of San Jose, CA.
Produced by Galoob Toys Inc. of South San Francisco, CA. Original concept by Codemasters Ltd.
of London, England. 19 Feb 1992

References#


  1. Developer Credits↩︎
  2. Genesis Game Genie is here!↩︎