Thread: [Tutorial] Advance Map Tutorial
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  #82    
Old June 26th, 2008 (12:40 PM).
MYSTERIOUS MISSINGNO's Avatar
MYSTERIOUS MISSINGNO
Beginning Trainer
 
Join Date: Jun 2008
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I made a warp, but whenever I use it ingame, this message pops up:

Unsuppoted BIOS function c7 called from 020023fc. A BIOS file is
needed in order to get correct behaviour.