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GBA BIOS and performance questions 
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Joined: Mon 20 Apr 2009, 08:11:50

Posts: 5266
Location: 日本
Post Re: GBA BIOS and performance questions
A checksum of the BIOS might help to rule out issues, also.

Cor' blimey, that's a biggun!

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Sat 07 Jun 2014, 17:32:47

Joined: Sat 07 Jun 2014, 00:04:09

Posts: 8
Post Re: GBA BIOS and performance questions
Gah, ninja'd. Check out my edit above.

Sat 07 Jun 2014, 17:36:32
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Joined: Mon 20 Apr 2009, 08:11:50

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Location: 日本
Post Re: GBA BIOS and performance questions
/me pukes all over the resulting BML.

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Sat 07 Jun 2014, 17:37:45

Joined: Sat 07 Jun 2014, 00:04:09

Posts: 8
Post Re: GBA BIOS and performance questions
OH, and here's another one I forgot about. I couldn't get Mario Kart to work either, even with the DSP1B.rom in there. I figured it was a bad ROM, so replaced with one from NoIntro. Same problem.

I just checked out the manifest in the game library and it looks for dsp1b.program.rom. Again, changing the bml to look for just dsp1b.rom got me up and running. (I didn't try renaming the firmware dsp1b.program.rom, because double extensions tweak me out)

EDIT:I take it back, Mode 7 explodes. Anything that should be Mode 7 is never even rendered. Ditto if I change everything over to dsp1b.program.rom. Mode 7 is just straight up not happening.

Sat 07 Jun 2014, 17:43:26
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Joined: Mon 20 Apr 2009, 08:11:50

Posts: 5266
Location: 日本
Post Re: GBA BIOS and performance questions
You need to research one of those *NEW* headphone mods.

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Sat 07 Jun 2014, 17:52:22

Joined: Sat 07 Jun 2014, 00:04:09

Posts: 8
Post Re: GBA BIOS and performance questions
lol, I already researched those mods extensively before I tried playing Mario Kart ;)

Sat 07 Jun 2014, 17:56:55
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Joined: Mon 20 Apr 2009, 08:11:50

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Location: 日本
Post Re: GBA BIOS and performance questions
"lol" Then you've done something wrong. "wink wink"

I swear....half of these people are just the usual group riding the Tor wave waiting for us to say, "Try RetroArch"....

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Sat 07 Jun 2014, 17:57:38

Joined: Sat 07 Jun 2014, 00:04:09

Posts: 8
Post Re: GBA BIOS and performance questions
Not much to get wrong about it. Copypasta into the game library folder. It stops complaining about it being missing, but it crashes, just like the GBA bios thing. Until I futz with the file name and/or BML, then it doesn't crash, but Mode 7 decides to pack up and go home.

Sat 07 Jun 2014, 18:00:14
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Joined: Mon 20 Apr 2009, 08:11:50

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Location: 日本
Post Re: GBA BIOS and performance questions
Sounds like your rom horribly corrupted or something. 'Cause a bug in emulation isn't even something to be considered, here. "wink wink"

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Sun 08 Jun 2014, 01:32:00

Joined: Tue 21 Feb 2012, 05:42:15

Posts: 2564
Post Re: GBA BIOS and performance questions
I recommend deleting your game folder and reimporting with dsp1b.rom (as dsp1.rom iirc) alongside the ROM. I dunno what might have happened, but it's easier to start fresh and just get it to import without errors.

Also be sure it's the newer versions, not the older versions- some were for older versions of bsnes.

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Sun 08 Jun 2014, 01:57:50

Joined: Fri 10 Apr 2009, 15:00:08

Posts: 13668
Post Re: GBA BIOS and performance questions
I'd still like it if we could get people to append the firmware onto the ROMs.

It's the only sane way to determine whether a Super Mario Kart image is supposed to use the DSP-1 or DSP-1B (the file checksum before appending the firmware is the same either way, and the DSP firmware is *part* of the program code of the game, whether you can HLE it or not.)

Sun 08 Jun 2014, 03:44:02

Joined: Sat 07 Jun 2014, 00:04:09

Posts: 8
Post Re: GBA BIOS and performance questions
jchadwick wrote:
I recommend deleting your game folder and reimporting with dsp1b.rom (as dsp1.rom iirc) alongside the ROM. I dunno what might have happened, but it's easier to start fresh and just get it to import without errors.

Also be sure it's the newer versions, not the older versions- some were for older versions of bsnes.


That did it. Putting the DSP1B.rom into the game's zip file before importing got it working.

Sun 08 Jun 2014, 21:48:19
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Joined: Fri 25 Nov 2011, 21:23:17

Posts: 175
Location: San Diego, California, USA
Post Re: GBA BIOS and performance questions
byuu wrote:
I'd still like it if we could get people to append the firmware onto the ROMs.

I don't exactly think this is the right solution. Bundling the firmware with the main program ROM is a very valid idea, and I agree entirely with the premise. But I think sullying the actual program ROM isn't the right way to do it. With ROM folders, simply put the firmware ROM into the ROM folder; I think that's the proper and most sane way to do it.

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Sun 08 Jun 2014, 22:35:59

Joined: Fri 10 Apr 2009, 15:00:08

Posts: 13668
Post Re: GBA BIOS and performance questions
It's a distribution model.

Nobody's ever going to support game folders other than me, so SFC+firmware is how we get things to work everywhere. higan can load them in nicely, other emulators can then choose LLE or HLE, etc.

You -can- stuff it inside a ZIP next to the SFC, but then you're splitting up the ROM and requiring an unnecessarily complex container. And you're back to square one on 7-Zip solid archives and such.

The most elegant solution for single-file-based emulators is one merged ROM file. They already do this with eg NES PRG/CHR, and SNES PROM/DROM on SPC7110.

Mon 09 Jun 2014, 03:14:16
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Joined: Fri 25 Nov 2011, 21:23:17

Posts: 175
Location: San Diego, California, USA
Post Re: GBA BIOS and performance questions
I think that's "wrong" too though. But you're right, it's far too idealistic, and unlikely to actually take off.

I don't really think concatenating the DSP firmware to the program ROM image is going to take off either, though. So maybe just support the idealistic view and hope people eventually stick with it? A very tricky situation indeed...

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Mon 09 Jun 2014, 03:28:45
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