Homebrew blargSnes -- SNES emulator for the 3DS (WIP)

LumInvader · Feb 18, 2015

SLiV3R said:
If I were happy about psp snes emulation I wouldn't bother about snes on the 3ds. For me the the little details matters. And I don't get the the authentic feel that I want from psp Emulation.

That's why I'm here as well, but I've seen a lot of inaccurate statements written about PSP emulation on here, so sometimes I comment to clear some things up. I think it gets a bad rap from supportive 3DS users, but I kind of expect that kind of chatter here.

I tend to play my games unstretched, so SNES games appear quite smaller than I'd like on the PSP. So while I consider the sound improvement important, I consider the improved visuals and compatibility even more important. You can play games without sound, but you can't play games without video or if they're not compatible.

SLiV3R · Feb 18, 2015

We all have different preferences. For me it's very important with top notch d-pad, buttons and overall build quality. That's why I don't play snes on the vita either. I love my vita <3 but not for snes emulation.

LumInvader · Feb 18, 2015

SLiV3R said:
We all have different preferences. For me it's very important with top notch d-pad, buttons and overall build quality. That's why I don't play snes on the vita either. I love my vita <3 but not for snes emulation.

True, individual preferences factor in as well.

I have medium-large hands (hi, ladies!), so I'm just not as comfortable with the smaller 3DS d-pad. The best 2D controller I own is the second edition Saturn controller, which feels closer to the PSP than the 3DS. Playing a game like Street Fighter 2, I can roll the Saturn d-pad with insane accuracy all day long. Less so with the PSP, but it's fluid and feels better than the PS2 d-pads I own. I don't dislike the 3DS d-pad, but it's size and tactile feedback do present issues for me with certain games.

davhuit · Feb 18, 2015

Just wanted to say I'm open to do a donation by the way, if it can help the project (I think I already said it once), either to StapleButter or DiscostewSM, or even both

And yeah, I would also prefer Snes Emulation on 3DS rather than PSP. For example, I prefer the 3DS D-Pad.

Nes and GameBoy are less important for me because there are the VC injections and most games play fine on them.

And I would also give some money for a Genesis Emulator ! DS have a pretty good one but it don't have scaling so unfortunately, it's barely playable (when 3DS should be able to emulate Genesis without requiring scaling).

SLiV3R · Feb 18, 2015

There are actually around 100 genesis games that uses the same lo resolution as the snes and nes etc. 256x224 compared to DS resolution 256x192. Many of those games are perfect on the DS. I just dislike that we can't put the second screen in screen saver mode...

around 80 % of the genesis games will fit niceon the 3ds with 320x224. Same goes for neo geo 320x240 and cps1, CPS2 and virtual boy is almost perfect fit 384x224

One can always dream

davhuit · Feb 18, 2015

SLiV3R said:
There are actually around 100 genesis games that uses the same lo resolution as the snes and nes etc. 256x224 compared to DS resolution 256x192. Many of those games are perfect on the DS. I just dislike that we can't put the second screen in screen saver mode...

around 80 % of the genesis games will fit niceon the 3ds with 320x224. Same goes for neo geo 320x240 and cps1, CPS2 and virtual boy is almost perfect fit 384x224

One can always dream

They can't be perfect if the resolution of those Genesis games are 256x224 when the DS resolution is 256x192. Maybe we are not talking of the same emulator but JenesisDS don't have any scaling so you lose a part of the screen at the top/bottom. And for games which are 320x224, it's a bigger problem, because you lose some bottom/top part of the screen, and them to the left/side, and it basically kill the games which have an horizontal scrolling.

With scaling, the DS emulator would be near perfect, but as it don't have any scaling, it's not :/

LumInvader · Feb 18, 2015

davhuit said:
They can't be perfect if the resolution of those Genesis games are 256x224 when the DS resolution is 256x192. Maybe we are not talking of the same emulator but JenesisDS don't have any scaling so you lose a part of the screen at the top/bottom. And for games which are 320x224, it's a bigger problem, because you lose some bottom/top part of the screen, and them to the left/side, and it basically kill the games which have an horizontal scrolling.

With scaling, the DS emulator would be near perfect, but as it don't have any scaling, it's not :/

Most games should play fine if you can customize where they're cropped. Some games will let you take equal amounts off the top and bottom, while some will let you take everything from the bottom. Back when gamers were using standard def tvs, the emulators on the original Xbox had custom cropping.

That may be a reasonable solution for the 3DS as well.

Soleiyu · Feb 19, 2015

To whom it may concern -- "Compatibility" update:

Firepower 2000 (SNES) : A vertical shooter - Title screen background art looks jumbled. After playing for a short while, the music fades and won't play again (i.e music tracks won't loop?) . At this point, the SFX are lost along with the music altogether. Otherwise, playable.

Samurai Spirits / Samurai Shodown : Playable but suffers from badly-rendered character sprites as other fighters (currently) do.

Yoshi no Road Hunting / Yoshi's Safari : It boots up. Judging by the demo, the road is not rendered properly at times - but looks very playable nonetheless. Except - dang - it makes me wish for Super Scope emulation via stylus! (I know, wishful thinking...)

Ryuuko no Ken 2 (Super Famicom) : Sequel to Ryuuko no Ken / Art of Fighting - and... [GASP] also works flawlessly!

Prince of Persia (SNES) : Virtually "perfect". Framerate remains speedy the whole time albeit minor graphical glitches could pop up once in a blue moon. Other than that... "Welcome to DIE!"

Super Aleste / Space Megaforce : A vertical shooter - Works perfectly except for Area 5 which presents some slowdown (I cannot speak for the rest of the game, though) but, otherwise, very playable.

Soleiyu · Feb 19, 2015

This . never . gets old ...

davhuit · Feb 19, 2015

LumInvader said:
Most games should play fine if you can customize where they're cropped. Some games will let you take equal amounts off the top and bottom, while some will let you take everything from the bottom. Back when gamers were using standard def tvs, the emulators on the original Xbox had custom cropping.

That may be a reasonable solution for the 3DS as well.

3DS wouldn't require any scaling at all. 3DS resolution is 400x240, so either Genesis games using 256x224 or 320x240 resolution would fit the 3DS resolution without requiring any scaling. That's why I said it would be nice to see a port of JenesisDS to the 3DS one day. Someone could say "or just implement scaling to the DS version. Yeah, it would be the same but I assume if the old coder didn't do it, it's probably because the DS wasn't enough powerful to handle it).

On DS, top and bottom manual crop can be okay (so, for 256x224), but not left/right side crop. It basically kill the playability of any game using a horizontal scrolling because even if you set up the screen manually, you'll either don't have enough sight to anticipate enemies coming from the right, and it's worse is the enemies can come from both side.

Or worse, imagine faster games, like a Sonic. Missing a part of the screen would make the game completely not playable. :/

You can't really crop on JenesisDS by the way, you can just move the screen. So you can't say "remove 10 pixels from the top and the bottom". You either remove pixels from the top OR the bottom, by moving the screen. Same for left/right side.

SLiV3R · Feb 19, 2015

davhuit said:
3DS wouldn't require any scaling at all. 3DS resolution is 400x240, so either Genesis games using 256x224 or 320x240 resolution would fit the 3DS resolution without requiring any scaling. That's why I said it would be nice to see a port of JenesisDS to the 3DS one day. Someone could say "or just implement scaling to the DS version. Yeah, it would be the same but I assume if the old coder didn't do it, it's probably because the DS wasn't enough powerful to handle it).

On DS, top and bottom manual crop can be okay (so, for 256x224), but not left/right side crop. It basically kill the playability of any game using a horizontal scrolling because even if you set up the screen manually, you'll either don't have enough sight to anticipate enemies coming from the right, and it's worse is the enemies can come from both side.

Or worse, imagine faster games, like a Sonic. Missing a part of the screen would make the game completely not playable. :/

You can't really crop on JenesisDS by the way, you can just move the screen. So you can't say "remove 10 pixels from the top and the bottom". You either remove pixels from the top OR the bottom, by moving the screen. Same for left/right side.

As a matter of you can 'remove' pixels in jenesisds. Both up/down and left/right. So in for example mega bomberman your can fit 100% of the 'real' game within 256x192. That's why I love it on the DS

I have heard that the author got hired by SEGA. Therefore he never released the source.

VinsCool · Feb 19, 2015

SLiV3R said:
As a matter of you can 'remove' pixels in jenesisds. Both up/down and left/right. So in for example mega bomberman your can fit 100% of the 'real' game within 256x192. That's why I love it on the DS

I have heard that the author got hired by SEGA. Therefore he never released the source.

Sega used his emulator for sonic classic collection ds.

LumInvader · Feb 19, 2015

davhuit said:
3DS wouldn't require any scaling at all. 3DS resolution is 400x240, so either Genesis games using 256x224 or 320x240 resolution would fit the 3DS resolution without requiring any scaling. That's why I said it would be nice to see a port of JenesisDS to the 3DS one day. Someone could say "or just implement scaling to the DS version. Yeah, it would be the same but I assume if the old coder didn't do it, it's probably because the DS wasn't enough powerful to handle it).

On DS, top and bottom manual crop can be okay (so, for 256x224), but not left/right side crop. It basically kill the playability of any game using a horizontal scrolling because even if you set up the screen manually, you'll either don't have enough sight to anticipate enemies coming from the right, and it's worse is the enemies can come from both side.

Or worse, imagine faster games, like a Sonic. Missing a part of the screen would make the game completely not playable. :/

You can't really crop on JenesisDS by the way, you can just move the screen. So you can't say "remove 10 pixels from the top and the bottom". You either remove pixels from the top OR the bottom, by moving the screen. Same for left/right side.

I was speaking from past experience with regard to emulation in general, but you're right -- most classic consoles should fit nicely. While Nintendo has been criticized for the low resolution of the 3DS/N3DS, it's actually great display for 8/16 bit emulators in terms of size and visual quality.

A JenesisDS port would certainly generate some excitement around here, but that sound engine definitely needs some work.

blaydes99 · Feb 20, 2015

I see Ys III - Wanderers from Ys (USA) in the "working" list, but it has a problem with the save/load feature.

Saving doesn't seem to work and the load feature is bugged out, listing different locations, and even dialog. Selecting any of it crashes the game.

Monado_III · Feb 20, 2015

Fire Emblem: Thracia 776 seems to work pretty well, saves work and it has a great fps. Although there is a very minor issue in some squares and colors as they don't get rendered properly, same goes for Genealogy of the Holy War and Mystery of the Emblem. Great emulator BTW.

MarkDarkness · Feb 20, 2015

Soleiyu said:
To whom it may concern -- "Compatibility" update:

Firepower 2000 (SNES) : A vertical shooter - Title screen background art looks jumbled. After playing for a short while, the music fades and won't play again (i.e music tracks won't loop?) . At this point, the SFX are lost along with the music altogether. Otherwise, playable.

Samurai Spirits / Samurai Shodown : Playable but suffers from badly-rendered character sprites as other fighters (currently) do.

Yoshi no Road Hunting / Yoshi's Safari : It boots up. Judging by the demo, the road is not rendered properly at times - but looks very playable nonetheless. Except - dang - it makes me wish for Super Scope emulation via stylus! (I know, wishful thinking...)

Ryuuko no Ken 2 (Super Famicom) : Sequel to Ryuuko no Ken / Art of Fighting - and... [GASP] also works flawlessly!

Prince of Persia (SNES) : Virtually "perfect". Framerate remains speedy the whole time albeit minor graphical glitches could pop up once in a blue moon. Other than that... "Welcome to DIE!"

Super Aleste / Space Megaforce : A vertical shooter - Works perfectly except for Area 5 which presents some slowdown (I cannot speak for the rest of the game, though) but, otherwise, very playable.

Look at the first page of the thread for the compatibiliy wiki. Those would be good additions to it.

the_randomizer · Feb 20, 2015

VinsCool said:
Sega used his emulator for sonic classic collection ds.

Was that why the sampling frequency was 22 KHz instead of 44? It sounded like a telephone, quality-wise.

VinsCool · Feb 20, 2015

the_randomizer said:
Was that why the sampling frequency was 22 KHz instead of 44? It sounded like a telephone, quality-wise.

Can't tell, but I agree with you. That sounds like a telephone sound output lol.

davhuit · Feb 21, 2015

SLiV3R said:
As a matter of you can 'remove' pixels in jenesisds. Both up/down and left/right. So in for example mega bomberman your can fit 100% of the 'real' game within 256x192. That's why I love it on the DS

I have heard that the author got hired by SEGA. Therefore he never released the source.

Yup. Bomberman is a game that don't use horizontal scrolling, so it's one of the game that don't really have problems to be played, even without scaling, but those kind of games are pretty rare, unfortunately (RPG and puzzle games are two other types of games that are pretty muche playable with JenesisDS, as most of them use vertical scrolling).

That's also what I heard about the author.

sj33 · Feb 21, 2015

davhuit said:
Yup. Bomberman is a game that don't use horizontal scrolling, so it's one of the game that don't really have problems to be played, even without scaling, but those kind of games are pretty rare, unfortunately (RPG and puzzle games are two other types of games that are pretty muche playable with JenesisDS, as most of them use vertical scrolling).

That's also what I heard about the author.

There's quite a few, actually. Notably, Street Fighter II Special Champion Edition works with no horizontal scaling required, as do the Micro Machines games, Megaman: The Wily Wars, Lotus Turbo Challenge and Worms.

Homebrew blargSnes -- SNES emulator for the 3DS (WIP)

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