Copying to your ROM a song available on the Forum

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If you add a new song (meaning your new song ID is $56) you need to move the instruments located at $C53F95-$C54A34, add your new instruments (32 bytes) at the end of the data block and change this instructions:

Code:

C5/01E2:    BF953FC5    LDA $C53F95,X

Ok, so I successfully moved the instrument data to a new location in the expanded rom, and I changed the reference at $C501E2. If I understand correctly, I just paste the instrument data for the new song I want to add at the end of the instrument data block (that has been moved).  If I add more tracks, do I just keep pasting the new instrument data at the end of the block?  If that is the case, then I will make a guess that the songs do not reference the point in which the new instruments are located or anything like that, right?

Edit:  Hmm, I think I got all the steps completed, but for some reason when I enter a grasslands battle (the one I chose to test this on), the overworld music continues playing instead of the battle music I added...  I even tried a few different songs to see if that would make a difference.  I don't know where I went wrong, but I went back and checked everything like 5 times.  Madsiur, can I send you my work via PM so you can glance at it and see if I missed anything?  I'm not sure if I'm supposed to edit the song data manually or something like that, but I can't seem to get it to work.

Edit #2:  Here are some pics of all my work until now:

This is the new location for the song index block of code (location underlined).  I added my new song at the bottom of the list (underlined) which I hope is ID 56. The instructions weren't very clear on what to do here in Step #6 if I'm not replacing a song, so I hope I did this right:



This is the 3 locations (the 9 bytes) I had to change in Step #3:



The new song ID limit changed to 56:




The song that I'm trying to add (the location is underlined):



This is where I relocated the instrument code (location underlined).



This is the very end of the Instrument code.  The underlined part at the end of the block is the 32 bytes of code for the new song I added.  Is this the right place for it?



This is where the new instrument block is located:



For good measure, here is the new "backgrounds music hack" where I changed the grasslands track to ID 56 (underlined):