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Converting Midis to GBA format

Supreme Dirt

used Petal Dance
430
Posts
16
Years
  • Age 32
  • o3o
  • Seen Dec 4, 2014
Alright, if you don't have Midi2GBA, you will have to google it. I cannot post it here do to certain... legalities.

Anyways, here is the very simple tutorial which is known by a surprisingly small percent of hackers.

1. Open the folder containing Mid2AGB.exe
2. Open the folder containing the midi to insert
3. the midi to the same folder as Mid2AGB.exe
4. Drag the midi onto Mid2AGB.exe, as if the program were a folder
5. A DOS box should appear and then vanish, and the midi (in my case A-tomb.mid) should appear as A-tomb.s, replacing A-tomb with the name of the midi.
Then, just follow the instructions in Sappy's help file.

Happy ROM Hacking

~Supreme Dirt/mandella
 
Last edited by a moderator:

SephirothX

a.k.a. Shadomew
443
Posts
18
Years
As I'm aware, Sappy's *.s files represent a single MIDI channel, so shouldn't the MIDI you import only use one channel? Also, what would we need to do in order to make the music loop?
 

Martin Yiu

disappeared... forever
493
Posts
18
Years
  • Seen Feb 8, 2008
Okay, we can figure out how to split the single *s file to multiple ones by usin Green Charizard's music editing tutorial. But one thing, a little bit more advanced, is here staying without the coverage of either tutorial. How to make song loop, and then, how to change instruments by hex. I still didn't figure this out, so if there's someone capable of doing so and active enough to make a tutorial, I would ask you to make one to make life easier :P Thanks, anyways. And about your tutorial, you should specify more details to each step, tell something about theory, what the program exactly does and WHY IT'S ILLEGAL TO HAVE IT.
 

SephirothX

a.k.a. Shadomew
443
Posts
18
Years
Prof. 9 said:
It's illegal because it's part of the actual DevKit that Nintendo uses.
At least that's what I heard >_>
Click to expand...
Well, you heard right. MID2AGB is part of the official Nintendo GBA devkit, and so is illegal to distribute.
As for who could improve this tut (how to loop, getting the right instruments, etc.), Zel is getting G/S/C music for ShinyGold from birthofdna and Magnius, so I assume they know how to do that... IDK how active either of them are, though.
 

zel 2.0

Gold Remaker
1,955
Posts
17
Years
In fact guys, the problem of looping is something that everyone has. So we are all in the same situation (so far, all I can do is extend the length of the music by looping the midi by hand before inserting... Of course this means using more rom space, so if there is a way to make a loop, at least using hex, it would be interesting to hear about it)
 

Mastermind_X

ASM-Hacker
92
Posts
17
Years
... that isn't known? I think, I saw a reference or something. Well, I'll have a closer look on it, if I find the time, but I think it's not that important.
 

Supreme Dirt

used Petal Dance
430
Posts
16
Years
  • Age 32
  • o3o
  • Seen Dec 4, 2014
I'm currently working on finding a way to make music loop. I can loop it, but it sometimes crashes the emulator. I will update my tutorial when I find a way.

And I deal with the single track *.s thing by using Anvil Studio (anvilstudio.com) to edit the midis and save each track to a single file. I then combine them in hex. A little bit complicated, and I may post a tutorial.
 

Teh Baro

In my times...!
521
Posts
18
Years
Kawa told me long ago how to loop. It was editing the *.s file by hand, adding some stuff. Anyway, when I tried to import it, somethign went wrong

-I'll look at the old chat logs for all this stuff

EDIT:

.byte GOTO
.word targetlabelorpointer

In notepad, open the .s files and write it, changing the targetlabelorpointer for a label you insert.
Example:
Code: 
Iloled_3:
	.byte	KEYSH , Iloled_key+0
@ 000   ----------------------------------------
	.byte		VOICE , 0
	.byte		VOL   , 104*Iloled_mvl/mxv
	.byte		PAN   , c_v+0
	.byte		BEND  , c_v+0
	.byte	W24
	.byte		N24   , An3 , v096
	.byte	W24
	.byte		N24   
	.byte	W24
@ 001   ----------------------------------------
[B]Iloled_3_001:[/B]
	.byte		N12   , An3 , v096
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		N06   
	.byte	W06
	.byte		N06   
	.byte	W06
	.byte		N06   
	.byte	W06
	.byte		N06   
	.byte	W06
	.byte	PEND
@ 002   ----------------------------------------
	.byte	PATT
	.word	Iloled_3_001
@ 003   ----------------------------------------
	.byte	PATT
	.word	Iloled_3_001
@ 004   ----------------------------------------
	.byte	PATT
	.word	Iloled_3_001
[B]@ 005   ----------------------------------------
	.byte	GOTO
	.word	Iloled_3_001
	.byte	FINE[/B]


When more stuff in the game is done (and I have more free time, I'll try to hack music again... I think I know what went wrong last time...
 
Last edited:

DracoMalfoy88

Sailor Moon Fan!!!
42
Posts
17
Years
Code: 
	.include "MPlayDef.s"

	.equ	sadbgm_grp, voicegroup000
	.equ	sadbgm_pri, 0
	.equ	sadbgm_rev, 0
	.equ	sadbgm_mvl, 127
	.equ	sadbgm_key, 0
	.equ	sadbgm_tbs, 1
	.equ	sadbgm_exg, 0
	.equ	sadbgm_cmp, 1

	.section .rodata
	.global	sadbgm
	.align	2

@**************** Track 1 (Midi-Chn.1) ****************@

sadbgm_1:
	.byte		VOL   , 127*sadbgm_mvl/mxv
	.byte	KEYSH , sadbgm_key+0
@ 000   ----------------------------------------
	.byte	TEMPO , 88*sadbgm_tbs/2
	.byte		VOICE , 5
	.byte		PAN   , c_v-1
	.byte		N08   , Cn3 , v092
	.byte	W12
	.byte		        Fn3 
	.byte	W12
	.byte		        Gs3 
	.byte	W12
@ 001   ----------------------------------------
	.byte	TEMPO , 88*sadbgm_tbs/2
	.byte		N96   , Fn2 
	.byte		N12   , Cn3 
	.byte		N24   , Gs3 
	.byte		N24   , Cn4 
	.byte	W12
	.byte		N48   , Cn3 
	.byte	W12
	.byte		N12   , Fn3 
	.byte	W12
	.byte		        Gs3 
	.byte		N12   , Cn4 
	.byte	W12
	.byte		N24   , Gn3 
	.byte		N24   , As3 
	.byte	W12
	.byte		        Cn3 
	.byte	W12
	.byte		        Fn3 
	.byte		N24   , Gs3 
	.byte	W12
	.byte		N12   , Cn3 
	.byte	W11
	.byte	W01
@ 002   ----------------------------------------
	.byte		N24   , En2 
	.byte		N24   , Gn2 
	.byte		N24   , As2 
	.byte		N24   , En3 
	.byte		N24   , Gn3 
	.byte	W24
	.byte		        Gn2 
	.byte		N24   , As2 
	.byte		N72   , Cs3 
	.byte		N72   , Gn3 
	.byte		N72   , As3 
	.byte	W72
@ 003   ----------------------------------------
	.byte		N24   , Cn2 
	.byte		N24   , Cs3 
	.byte		N24   , Gn3 
	.byte		N24   , As3 
	.byte	W12
	.byte		N12   , Cn1 
	.byte	W12
	.byte		        En1 
	.byte		N12   , Cs3 
	.byte		N12   , Gn3 
	.byte		N12   , As3 
	.byte	W11
	.byte	W01
	.byte		        Gn1 
	.byte		N24   , Cn3 
	.byte		N24   , Fn3 
	.byte		N24   , Gs3 
	.byte	W12
	.byte		        Cn2 
	.byte		N24   , En2 
	.byte	W12
	.byte		N12   , Cn3 
	.byte		N12   , Fn3 
	.byte		N12   , Gs3 
	.byte	W12
	.byte		N24   , Cn2 
	.byte		N24   , As2 
	.byte		N24   , En3 
	.byte		N24   , Gn3 
	.byte	W23
	.byte	W01
@ 004   ----------------------------------------
	.byte		N12   , Fn1 
	.byte		N24   , Gs2 
	.byte		N24   , Cn3 
	.byte		N24   , Fn3 
	.byte	W12
	.byte		N12   , Gs1 
	.byte	W12
	.byte		        Cn2 
	.byte		N72   , Cn3 
	.byte		N72   , Fn3 
	.byte		N72   , Gs3 
	.byte	W12
	.byte		N12   , Fn2 
	.byte	W56
	.byte	W03
	.byte	W01
@ 005   ----------------------------------------
	.byte		N12   
	.byte		N24   , Gs2 
	.byte		N24   , Cn3 
	.byte		N24   , Fn3 
	.byte	W12
	.byte		N12   , Fn1 
	.byte	W12
	.byte		        Gs1 
	.byte		N12   , Gs2 
	.byte		N12   , Cn3 
	.byte		N12   , Fn3 
	.byte	W12
	.byte		        Fn2 
	.byte		N24   , Cn3 
	.byte		N24   , Fn3 
	.byte		N24   , Gs3 
	.byte	W12
	.byte		N12   , En2 
	.byte	W12
	.byte		        Fn1 
	.byte		TIE   , Cn3 
	.byte		N12   , Fn3 
	.byte	W12
	.byte		        Ds2 
	.byte		N12   , Gs3 
	.byte	W12
	.byte		        Fn1 
	.byte		N12   , Cn4 
	.byte	W11
	.byte	W01
@ 006   ----------------------------------------
	.byte		N24   , Fn1 
	.byte		N24   , Gn1 
	.byte		N24   , Cs2 
	.byte		N24   , As3 
	.byte		N24   , Ds4 
	.byte	W23
	.byte	W01
	.byte		        Fn1 
	.byte		N24   , Cs2 
	.byte		N24   , As3 
	.byte		N24   , Cs4 
	.byte	W36
	.byte		N12   
	.byte	W12
	.byte		        Cn4 
	.byte	W12
	.byte		        As3 
	.byte	W12
	.byte		EOT   , Cn3 
@ 007   ----------------------------------------
	.byte	TEMPO , 81*sadbgm_tbs/2
	.byte		N24   , En2 
	.byte		N24   , Gn2 
	.byte		TIE   , Cn3 
	.byte		N24   , Cn4 
	.byte	W24
	.byte	TEMPO , 69*sadbgm_tbs/2
	.byte		        Fn2 
	.byte		N24   , Gs2 
	.byte		N24   , Cs3 
	.byte		N24   , As3 
	.byte	W24
	.byte	TEMPO , 54*sadbgm_tbs/2
	.byte		        Fs2 
	.byte		N24   , An2 
	.byte		N24   , Dn3 
	.byte		N24   , Gs3 
	.byte	W24
	.byte	TEMPO , 48*sadbgm_tbs/2
	.byte		        Gn2 
	.byte		N24   , As2 
	.byte		N24   , En3 
	.byte		N24   , Gn3 
	.byte	W23
	.byte	W01
@ 008   ----------------------------------------
	.byte	TEMPO , 77*sadbgm_tbs/2
	.byte		N12   , Fn2 
	.byte		N96   , Ds3 
	.byte		N96   , Gn3 
	.byte	W12
	.byte		N12   , Fn1 
	.byte	W12
	.byte		        Gs1 
	.byte	W12
	.byte		        Cn2 
	.byte	W12
	.byte	TEMPO , 70*sadbgm_tbs/2
	.byte		        Fn2 
	.byte	W12
	.byte		        Gn2 
	.byte	W12
	.byte		        Gs2 
	.byte	W12
	.byte		EOT   , Cn3 
	.byte		TIE   
	.byte	W11
	.byte	W01
@ 009   ----------------------------------------
	.byte	TEMPO , 88*sadbgm_tbs/2
	.byte		N48   , Cs1 
	.byte		N96   , Fn2 
	.byte		N96   , Gs2 
	.byte		N96   , Cs3 
	.byte	W48
	.byte		N12   , Cs2 
	.byte	W12
	.byte		N12   
	.byte	W12
	.byte		        Cn2 
	.byte	W12
	.byte		        As1 
	.byte	W11
	.byte	W01
	.byte		EOT   , Cn3 
@ 010   ----------------------------------------
	.byte	TEMPO , 84*sadbgm_tbs/2
	.byte		N96   , Cn1 
	.byte		N12   , Cn2 
	.byte		N24   , Cn3 
	.byte	W24
	.byte	TEMPO , 68*sadbgm_tbs/2
	.byte		N12   , Cs2 
	.byte		N24   , As2 
	.byte	W23
	.byte	W01
	.byte	TEMPO , 59*sadbgm_tbs/2
	.byte		N12   , Dn2 
	.byte		N24   , Gs2 
	.byte	W24
	.byte	TEMPO , 46*sadbgm_tbs/2
	.byte		N12   , En2 
	.byte		N24   , Gn2 
	.byte	W24
@ 011   ----------------------------------------
	.byte	FINE

@**************** Track 2 (Midi-Chn.2) ****************@

sadbgm_2:
	.byte	KEYSH , sadbgm_key+0
@ 000   ----------------------------------------
	.byte		VOICE , 68
	.byte		PAN   , c_v-1
	.byte	W36
@ 001   ----------------------------------------
	.byte		VOL   , 127*sadbgm_mvl/mxv
	.byte	W96
@ 002   ----------------------------------------
	.byte	W96
@ 003   ----------------------------------------
	.byte	W96
@ 004   ----------------------------------------
	.byte	W96
@ 005   ----------------------------------------
	.byte		N21   , Fn3 , v056
	.byte	W24
	.byte		N12   
	.byte	W12
	.byte		N22   , Gs3 
	.byte	W24
	.byte		N09   , Fn3 
	.byte	W12
	.byte		        Gs3 
	.byte	W12
	.byte		        Cn4 
	.byte	W12
@ 006   ----------------------------------------
	.byte		N24   , Ds4 
	.byte	W24
	.byte		N72   , Cs4 
	.byte	W72
@ 007   ----------------------------------------
	.byte		N24   , Cn4 
	.byte	W24
	.byte		        As3 
	.byte	W24
	.byte		        Gs3 
	.byte	W24
	.byte		        Gn3 
	.byte	W24
@ 008   ----------------------------------------
	.byte		N96   
	.byte	W16
	.byte		VOL   , 100*sadbgm_mvl/mxv
	.byte	W17
	.byte		        90*sadbgm_mvl/mxv
	.byte	W23
	.byte		        80*sadbgm_mvl/mxv
	.byte	W40
@ 009   ----------------------------------------
	.byte		N96   , Fn3 , v048
	.byte	W96
@ 010   ----------------------------------------
	.byte	W72
	.byte	FINE

@**************** Track 3 (Midi-Chn.3) ****************@

sadbgm_3:
	.byte		VOL   , 127*sadbgm_mvl/mxv
	.byte	KEYSH , sadbgm_key+0
@ 000   ----------------------------------------
	.byte		VOICE , 49
	.byte		PAN   , c_v+2
	.byte	W36
@ 001   ----------------------------------------
	.byte		N96   , Gs2 , v064
	.byte		N96   , Fn3 
	.byte	W96
@ 002   ----------------------------------------
	.byte		TIE   , Gn2 
	.byte		N96   , En3 
	.byte	W96
@ 003   ----------------------------------------
	.byte		        Cn3 
	.byte	W96
	.byte		EOT   , Gn2 
@ 004   ----------------------------------------
	.byte		N96   , Cn3 
	.byte		TIE   , Fn3 
	.byte	W96
@ 005   ----------------------------------------
	.byte	W96
	.byte		EOT   
@ 006   ----------------------------------------
	.byte		N96   , Gs3 
	.byte	W96
@ 007   ----------------------------------------
	.byte		        Cn3 
	.byte		N96   , Gn3 
	.byte	W96
@ 008   ----------------------------------------
	.byte		        Cn3 
	.byte		N96   , Gn3 
	.byte	W48
	.byte		N48   , Ds4 , v092
	.byte	W48
@ 009   ----------------------------------------
	.byte		N96   , Cs3 
	.byte		N96   , Fn3 
	.byte		N48   , Cs4 
	.byte	W60
	.byte		N12   
	.byte	W12
	.byte		        Cn4 
	.byte	W12
	.byte		        As3 
	.byte	W12
@ 010   ----------------------------------------
	.byte		N96   , Cn3 
	.byte		N22   , Cn4 
	.byte	W24
	.byte		        Cs4 
	.byte	W24
	.byte		        Dn4 
	.byte	W24
	.byte		        En4 
	.byte	W24
@ 011   ----------------------------------------
	.byte	FINE

@**************** Track 4 (Midi-Chn.4) ****************@

sadbgm_4:
	.byte	KEYSH , sadbgm_key+0
@ 000   ----------------------------------------
	.byte		VOICE , 68
	.byte		PAN   , c_v-19
	.byte	W36
@ 001   ----------------------------------------
	.byte	W12
	.byte		VOL   , 127*sadbgm_mvl/mxv
	.byte	W84
@ 002   ----------------------------------------
	.byte	W96
@ 003   ----------------------------------------
	.byte	W96
@ 004   ----------------------------------------
	.byte	W96
@ 005   ----------------------------------------
	.byte	W12
	.byte		N21   , Fn3 , v028
	.byte	W24
	.byte		N12   
	.byte	W12
	.byte		N22   , Gs3 
	.byte	W24
	.byte		N09   , Fn3 
	.byte	W12
	.byte		        Gs3 
	.byte	W12
@ 006   ----------------------------------------
	.byte		        Cn4 
	.byte	W12
	.byte		N24   , Ds4 
	.byte	W24
	.byte		N72   , Cs4 
	.byte	W60
@ 007   ----------------------------------------
	.byte	W12
	.byte		N24   , Cn4 
	.byte	W24
	.byte		        As3 
	.byte	W24
	.byte		        Gs3 
	.byte	W24
	.byte		        Gn3 
	.byte	W12
@ 008   ----------------------------------------
	.byte	W12
	.byte		N96   
	.byte	W16
	.byte		VOL   , 100*sadbgm_mvl/mxv
	.byte	W17
	.byte		        90*sadbgm_mvl/mxv
	.byte	W23
	.byte		        80*sadbgm_mvl/mxv
	.byte	W28
@ 009   ----------------------------------------
	.byte	W12
	.byte		N96   , Fn3 , v024
	.byte	W84
@ 010   ----------------------------------------
	.byte	W72
	.byte	FINE

@**************** Track 5 (Midi-Chn.5) ****************@

sadbgm_5:
	.byte	KEYSH , sadbgm_key+0
@ 000   ----------------------------------------
	.byte		VOICE , 68
	.byte		PAN   , c_v+63
	.byte	W36
@ 001   ----------------------------------------
	.byte	W24
	.byte		VOL   , 127*sadbgm_mvl/mxv
	.byte	W72
@ 002   ----------------------------------------
	.byte	W96
@ 003   ----------------------------------------
	.byte	W96
@ 004   ----------------------------------------
	.byte	W96
@ 005   ----------------------------------------
	.byte	W24
	.byte		N21   , Fn3 , v012
	.byte	W24
	.byte		N12   
	.byte	W12
	.byte		N22   , Gs3 
	.byte	W24
	.byte		N09   , Fn3 
	.byte	W12
@ 006   ----------------------------------------
	.byte		        Gs3 
	.byte	W12
	.byte		        Cn4 
	.byte	W12
	.byte		N24   , Ds4 
	.byte	W24
	.byte		N72   , Cs4 
	.byte	W48
@ 007   ----------------------------------------
	.byte	W24
	.byte		N24   , Cn4 
	.byte	W24
	.byte		        As3 
	.byte	W24
	.byte		        Gs3 
	.byte	W24
@ 008   ----------------------------------------
	.byte		        Gn3 
	.byte	W24
	.byte		N96   
	.byte	W16
	.byte		VOL   , 100*sadbgm_mvl/mxv
	.byte	W17
	.byte		        90*sadbgm_mvl/mxv
	.byte	W23
	.byte		        80*sadbgm_mvl/mxv
	.byte	W16
@ 009   ----------------------------------------
	.byte	W24
	.byte		N96   , Fn3 
	.byte	W72
@ 010   ----------------------------------------
	.byte	W72
	.byte	FINE

@******************************************************@
	.align	2

sadbgm:
	.byte	5	@ NumTrks
	.byte	0	@ NumBlks
	.byte	sadbgm_pri	@ Priority
	.byte	sadbgm_rev	@ Reverb.

	.word	sadbgm_grp

	.word	sadbgm_1
	.word	sadbgm_2
	.word	sadbgm_3
	.word	sadbgm_4
	.word	sadbgm_5

	.end

This is my .s file, what's wrong?
 

zel 2.0

Gold Remaker
1,955
Posts
17
Years
I have been editting a midi and I didn't have any problems making it loop (so your example worked for me, Baro), the problem about it is that you need to make that for each track, which will get kinda tiring if you have to do lots of music (I wonder if there could be a better and more direct way...)
The other problem I seem to have is when the tracks don't seem to have the same ammount of @ values. Say I have one track that ends at @040, while other at @036, so if I try to make them loop with the GOTO command before the FINE, they end up (obviously) looping in a way the tempo between the tracks gets destroyed... How is the exact way in which I could make all the tracks have the same ammount of @ values? (And would that work to make all the tracks coincide again?) Is it done with?:
HTML: 
@ xxx   ----------------------------------------
	.byte	W96
 

Martin Yiu

disappeared... forever
493
Posts
18
Years
  • Seen Feb 8, 2008
Oh great! Someone making the way to loop! Good luck boys, I would help you but I am total n00b at these things (but I am not that n00b in the other parts XD) so I'm crossing fingers ;)

~Martin
 

thetribemaster

Pokemon: Brink of Oblivion
25
Posts
16
Years
  • Seen Mar 30, 2009
Aha here comes the part that sucks... One of my friends showed me once but I forgot and he moved. If I see how again I'll report back.
Anyway... Thx for the tut man. Its a great one!
 

mcrc

Up and coming rapper
71
Posts
17
Years
  • Age 32
  • Seen Nov 19, 2014
this is great i can start up making music for hacks again, i'll try out the looping thing tomorrow
 
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