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adding & referencing new CHR tiles


ovenmitt

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Hi, just getting started with creating my first custom ROM. Wanted to say an enormous THANK YOU to this community and all the resources you've all contributed to the site, it certainly provides a massive head start.

 

Is there any documentation for how you got the game to reference new tiles? In comparing the original TSB ROM to the new 2021 version, there are 192 additional tiles at the end of the CHR ROM section. Obviously you edited a lot of the original tiles but I'm interested in how you got the game to point to these new banks of tiles.

 

I would like to edit the title screens but with entirely new tiles. Because of repeated tiles, simply editing the existing tiles is limiting -- for example the Team NFL logo consists of 84 tiles but only 56 unique tiles. The NFLPA logo is 54 tiles but only 41 uniques.

 

I can add new banks of custom tiles, just can't figure out how to get those new banks to be the ones loaded in memory and be pointed to. Thank you for any help!

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