Custom Modules? - FamiTracker

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## Custom Modules?

General discussion about tracking, help and support.
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simalary
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### Custom Modules?

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Post by simalary » Sun Oct 18, 2015 10:26 pm

I know this has been a topic somewhere. I have seen the "Multi Chip" download already, and I wanted to see how those where made. Most of them won't open now, so I was wondering how they work. I know that there are hardware limitations and stuff, but I just use FT for fun/personal use.
Can anyone provide information on those multi-chip .FTM files/how they work?
Thanks!
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TheMudkipMaster12
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### Re: Custom Modules?

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Post by TheMudkipMaster12 » Mon Oct 19, 2015 1:51 am

You can find most of the modules here: http://www.famitracker.com/forum/posts. ... =1&id=3326
I'm not entirely sure how they work though, I think it's something to do with text export/import but I might be wrong.
"It's funny because cool, means cold." -Savestate, Feb. 17, 2016
HI IM KIPPTUNE AND THIS IS MY OLD ACCOUNT LOL
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Pencildragon
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### Re: Custom Modules?

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Post by Pencildragon » Mon Oct 19, 2015 4:39 am

When you export a module as text you'll see this line: "EXPANSION 0"
Which, as you probably guessed, tells Famitracker which expansion to use when you import it back in. Change the zero to other numbers to change the expansion as well as get some multichip configurations. I don't have a list of which numbers correspond to which expansions and some do not work properly- multichip is supported by the NSF specification, however no games were ever released that used more than one expansion so there's no hardware precedent to base it off of, meaning it will probably take a very long time to get official support.
As well, there are forks *cough*0CC-Famitracker*cough* that allow you to create multichip FTM's. A good number of multichip FTM's are also openable in the official version of Famitracker so if you'd prefer to work in that you can simply make the module in a fork then open it in the official release.
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HertzDevil
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### Re: Custom Modules?

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Post by HertzDevil » Mon Oct 19, 2015 5:22 am

The parameter for the EXPANSION command corresponds directly to the expansion chip flag in the NSF header; you know which numbers corresponds to which expansions if only you would read the FamiTracker help file at all. To use the desired sound chips, simply add up the numbers that represent the respective chips.
In the official build, FDS, VRC7, or 5B channels will be erased if N163 is also enabled and there are fewer than 8 N163 channels; the all-chip configuration (EXPANSION 63) does not work due to an assertion in the source code.
Last edited by HertzDevil on Mon Oct 19, 2015 6:26 am, edited 1 time in total.
refactoring 0cc-famitracker
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Pencildragon
  Posts: 148
  Joined: Sun Jul 26, 2015 4:55 pm

### Re: Custom Modules?

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Post by Pencildragon » Mon Oct 19, 2015 6:24 am

> HertzDevil wrote:The parameter for the EXPANSION command corresponds directly to the expansion chip flag in the NSF header; you know which numbers corresponds to which expansions if only you would read the FamiTracker help file at all

Which has never functioned for me, but recently I believe I read why... So thank you for reminding me!
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