Nintendo - Game Boy Advance (Beetle GBA)¶

Background¶

Standalone port of Mednafen GBA to libretro, itself a fork of VBA-M, itself a fork of Visual Boy Advance.

Author/License¶

The Beetle GBA core has been authored by

Forgotten
Mednafen Team

The Beetle GBA core is licensed under

GPLv2

A summary of the licenses behind RetroArch and its cores can be found here.

Extensions¶

Content that can be loaded by the Beetle GBA core have the following file extensions:

.gba
.agb
.bin

Databases¶

RetroArch database(s) that are associated with the Beetle GBA core:

Nintendo - Game Boy Advance

BIOS¶

Required or optional firmware files go in the frontend's system directory.

Filename	Description	md5sum
gba_bios.bin	Game Boy Advance BIOS - Optional	a860e8c0b6d573d191e4ec7db1b1e4f6

Features¶

Frontend-level settings or features that the Beetle GBA core respects.

Feature	Supported
Restart	✔
Screenshots	✔
Saves	✔
States	✔
Rewind	✔
Netplay	✕
Core Options	✔
RetroAchievements	✔
RetroArch Cheats	✕
RetroArch SaveRAM Autosave Interval support	✕
Native Cheats	✕
Controls	✔
Remapping	✔
Multi-Mouse	✕
Rumble	✕
Sensors	✕
Camera	✕
Location	✕
Subsystem	✕
Softpatching	✕
Disk Control	✕
Username	✕
Language	✕
Crop Overscan	✔
LEDs	✕

Directories¶

The Beetle GBA core's internal core name is 'Beetle GBA'

The Beetle GBA core saves/loads to/from these directories.

Frontend's Save directory

'content-name'.'ROM MD5'.sav (SRAM)
'content-name'.'ROM MD5'.eep (EEPROM)

Frontend's State directory

'content-name'.state# (State)

Geometry and timing¶

The Beetle GBA core's core provided FPS is 59.73
The Beetle GBA core's core provided sample rate is 44100 Hz
The Beetle GBA core's core provided aspect ratio is 3/2

Core options¶

The Beetle GBA core has the following option(s) that can be tweaked from the core options menu. The default setting is bolded.

Settings with (Restart) means that core has to be closed for the new setting to be applied on next launch.

HLE bios emulation [gba_hle] (enabled/disabled)

Self-explanatory. When set to off, a Game Boy Advance BIOS is required.

Controllers¶

The Beetle GBA core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):

User 1 device types¶

None - Doesn't disable input.
RetroPad - Joypad
RetroPad w/Analog - Joypad - There's no reason to switch to this.

Controller tables¶

Joypad¶

User 1 Remap descriptors	RetroPad Inputs
B
Select
Start
D-Pad Up
D-Pad Down
D-Pad Left
D-Pad Right
A
L
R