Homebrew Can't roll in Minish Cap in gpsp (Retroarch)

Kuramations

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For some very odd reason in gpsp's core in Retroarch, I can't roll by pressing R in The Legend of Zelda: The Minish Cap, despite being able to do so in mGBA (I'm trying out both emulators on the 3DS).

I tried researching why it's like this, and I heard it had to do with Retroarch's more recent updates doing something to the glitches or something.

Just something I wanted to point out. If there's any help I could get with fixing this up, I would be grateful.

Thanks in advance.
 

Kuramations

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So apparently, there's an even bigger problem with this.

Whenever I boot up a GBA rom in Retroarch using the gpsp core, the core won't load any controls. Meaning I literally can't do anything while the game is running, despite it being able to run when I used it earlier. This is so bizarre.

What's more is that the app won't close in the 3DS menu, so I have to shut down my system and turn it back on.
 

Kuramations

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Save states and fast forward.
This here. VC injection, for whatever reason, doesn't allow save states, fast forwarding, or other helpful options that emulators have to offer, which is why I prefer to use emulation instead. (as a side note, VC injected GBA games can't enter sleep mode when I close the DS? What's up with that?)
 

N7Kopper

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This here. VC injection, for whatever reason, doesn't allow save states, fast forwarding, or other helpful options that emulators have to offer, which is why I prefer to use emulation instead. (as a side note, VC injected GBA games can't enter sleep mode when I close the DS? What's up with that?)
Because the GBA Virtual Console utilises backwards compatibility with minimal emulation of a physical ROM cartridge and save hardware. The ARM7 meant for DSi backwards compatibility natively runs the game. Even the N3DS' ARM11 struggles to emulate the GBA.

(That said, GBA games in TWL_FIRM can exit sleep mode when you open the 3DS, just not the other way around)
 
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Kuramations

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I only use VC or mGBA for the 3DS. No issues. If one doesn't work well with a certain game, the other does.
I use mGBA primarily, but since mGBA itself has compatibility issues, I also use the gpsp retroarch core (until it stopped working for whatever reason) to play the GBA games I couldn't otherwise play on mGBA.

For example, Dragon Ball Advanced Adventure on mGBA has massive performance issues with its framerate and immense lag, but on the gpsp core, it ran just fine.
 
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