I'do have a code for shiva but it does not work with kega fusion emulator idk why but it works with gens emulator and retroarch the code to play shiva is "FFDF0C:0002" its similar to "MAWA-AAJ0" but its for the japanese bk3 game.

Thanks for replying i've watched the footage again to see that the code that i entered for shiva (MAWA-AAJ0) wasn't visible in the video i'do apologize for that and i'will try and fix this problem and again thank you for replying and clearing some things for me

Just to be clear my run is 23:15 not 23:02 and i think there has been some misunderstanding or maybe i put 23:02 instead of 23:15 so i apologize