Homebrew [WIP] 3DeSmume (DS emulator for 3DS)

[shutterbug2000]

Yeah, you read that right.
I have been working quite a bit on porting Desmume to the 3DS. As it stands, it:
Runs at a decent fps on N3DS and doesn't run on O3DS
Uses the SVN DeSmuME emulation core, ported to 3ds by @MasterFeizz

Here is a video thanks to @Sasori :


Old videos:

Spoiler

BTW, please no spamming. Lets actually try to keep the discussion on topic, shall we? Thanks .

GitHub Repositories: https://github.com/shutterbug2000/DeSmume (my fork)
https://github.com/masterfeizz/DeSmuME (MasterFeizz's repo)
https://github.com/Robz8/DeSmuME (Robz8's fork)

 

[AtlasFontaine]

Appears to run at a decent fps

Only on New3ds right? gj tho

 

[Davidosky99]

*Watches Thread

 

[shutterbug2000]

Only on New3ds right? gj tho

Yeah, I do my testing on N3DS. Probably should check on my O3DS once I resolve the graphics corruption.

 

[8BitWonder]

Well done! Will definitely keep an eye out on how this progresses.

 

[CeeDee]

NOW CAN THE NOOBS FINALLY SHUT UP?

stares at @hacksn5s4

 

[shutterbug2000]

NOW CAN THE NOOBS FINALLY SHUT UP?

stares at @hacksn5s4

Part of why I posted this thread xD

 

[RandomKid150]

Hopefully you can get this running at a good fps.

 

[Pokéidiot]

Github?

 

[KaduPSE]

Amazing. Really, I said multiple times that the 3DS couldn't emulate the DS, apparently I was wrong. Could you please share a PoC video? Even with graphical corruption, it would be nice.

 

[shutterbug2000]

Amazing. Really, I said multiple times that the 3DS couldn't emulate the DS, apparently I was wrong. Could you please share a PoC video? Even with graphical corruption, it would be nice.

Sure, just a second.

 

[Pokéidiot]

A viden doens't proof anything. A github repo does it.

 

[Davidosky99]

NOW CAN THE NOOBS FINALLY SHUT UP?

stares at @hacksn5s4

*icoming message:
"eh i know his as possble nw how gud I nvr bght 10 dolr flshcrd"

 

[GorrillaRIBS]

Watch'd. All aboard the hype train guys!

 

[shutterbug2000]

*icoming message:
"eh i know his as possble nw how gud I nvr bght 10 dolr flshcrd"

LOL xD

 

[Ricken]

Kewl
Now I can portably play laggy TWEWY (My laptop doesnt run DeSmuMe perfect ) (47FPS is my average)

 

[CeeDee]

*icoming message:
"eh i know his as possble nw how gud I nvr bght 10 dolr flshcrd"

And then he'll get upset he can't play/trade in Pokemon Black 2.

 

[Pokéidiot]

*icoming message:
"eh i know his as possble nw how gud I nvr bght 10 dolr flshcrd"

headache while reading the quote.

 

[Davidosky99]

And then he'll get upset he can't play/trade in Pokemon Black 2.

or wipe his friend's Pokemon X/Y / 0RAS saves

--------------------- MERGED ---------------------------

headache while reading the quote.

get brain failure with this then https://gbatemp.net/search/28696506/

 

[Wolfvak]

     for(i=0; i < 256*192; i++)
     {
     dstA[i] = src[i]; //Screen buffer to top screen buffer
     dstB[i] = src[(256*192)+i]; //Screen buffer to bottom screen buffer
     }

    sf2d_texture *texture = sf2d_create_texture(256, 192, TEXFMT_RGB5A1, SF2D_PLACE_RAM);
    void* texturedata = texture->data;
    u16* texturedata16 = (u16*)texturedata;
     for(x=0; x < (256*192); x++){
        texturedata16[x] = dstA[x];
  
    }

According to http://hitmen.c02.at/files/yagcd/yagcd/chap17.html you should copy (256*192*2), due to each pixel using a short to define its color data.

I'm not an expert on these funky fb formats, so I could be completely wrong.

Also, you shouldn't be using sf2dlib for these operations, writing directly to fb will be much faster. Hell, I think doing bitwise pixel format conversions to RGBA8 might be faster than using sf2dlib too.