Karate Champ (NES, Famicom Disk System)

Karate Champ
Developers: Data East, Sakata SAS Publisher: Data East Platforms: NES, Famicom Disk System Released in JP: July 22, 1988 (FDS) Released in US: November 1986 This game has regional differences. This game has cheat codes. This game has a prerelease article

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Prerelease Info

Regional Differences

US	Japan

The Data East logo was removed, shifting the options upward. The Nintendo of America credit was replaced by one for Data East Corp., though the copyright date is still 1986.

US	Japan

Some of the music and sound effects use the FDS' wavetable channel in the Japanese version.

Unused Cheat Code

The US release has an inaccessible cheat embedded in the code: While the title screen is scrolling up, if byte 0x4F is 00 and byte 0x52 is 0A, the player can press Up, Down, Left, Right, Down, Right, Up, Left, A, B to enable a counter which can be increased up to 99 by pressing A rapidly (entering the code sets byte 0x4F to FF, which then allows the next block of code to run). The counter resets as soon as a demo starts.

It is currently unknown what the counter is for, but could be a stage/difficulty selector. It is also currently unknown how to set byte 0x52 to 0A without hacking.