Some questions about cores on Retroarch for PSP

[ghost]

Description

1.The quasi88 core will lose the sound when putting real bios on system folder.
2.Can't change disk when loading games.

Expected behavior

[What you expected to happen]
The core will work and load games successfully without crash.

Actual behavior

The quasi88 core will lose the sound when putting real bios on system folder.
[What is actually happening]

Steps to reproduce the bug

1. [First step]Copy the real bios which Libretro docs mentioned to \memstick\PSP\RETROARCH\SYSTEM
2. [Second step]Open the emulator and load the core and m3u8 file.
3. [and so on...]The game will start with no sound,and when I press R+LEFT KEY,it can't change disk.

Version/Commit

You can find this information under Information/System Information

• RetroArch: [version/commit]1.10.3

Environment information

• OS: [The operating system you're running]PSP system version is 6.61
• Compiler: [In case you are running local builds]I download it from official site.