Atari - Lynx (Beetle Lynx)¶

Background¶

Beetle Lynx is an Atari Lynx video game system emulator that can be used as a libretro core. Specifically it's a port of Mednafen Lynx which is a fork of Handy.

Author/License¶

The Beetle Lynx core has been authored by

K. Wilkins
Mednafen Team

The Beetle Lynx core is licensed under

zlib, GPLv2

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

Extensions¶

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

.lnx
.o

Databases¶

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

Atari - Lynx

BIOS¶

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

Filename	Description	md5sum
lynxboot.img	Lynx Boot Image - Required	fcd403db69f54290b51035d82f835e7b

Features¶

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

Feature	Supported
Restart	✔
Screenshots	✔
Saves	✕
States	✔
Rewind	✔
Netplay (State based)	✔ (not link-cable emulation)
Core Options	✔
RetroAchievements	✔
Cheats (Cheats menu)	✔
Native Cheats	✕
Controls	✔
Remapping	✔
Multi-Mouse	✕
Rumble	✕
Sensors	✕
Camera	✕
Location	✕
Subsystem	✕
Softpatching	✔
Disk Control	✕
Username	✕
Language	✕
Crop Overscan	✔
LEDs	✕

Directories¶

The Beetle Lynx core's directory name is 'Beetle Lynx'

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

Frontend's State directory

'content-name'.state# (State)

Geometry and timing¶

The Beetle Lynx core's core provided FPS is 75
The Beetle Lynx core's core provided sample rate is 44100 Hz
The Beetle Lynx core's core provided aspect ratio is 80/51

Loading content¶

Beetle Lynx supports Lynx headered roms and non-headered roms. It also supports homebrews in *.o extensions.

Core options¶

The Beetle Lynx 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.

Auto-rotate Screen [lynx_rot_screen] (enabled/disabled)

Virtually rotates the screen orientation and keymaps automatically for known games. When disabled, screen rotation is manually adjusted by pressing the SELECT button.

Controllers¶

The Beetle Lynx 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	Beetle Lynx core inputs
		B
		Pause
		D-Pad Up
		D-Pad Down
		D-Pad Left
		D-Pad Right
		A
		Option 1
		Option 2

Supported combinations

Option 1 + Pause = Flips Screen
Option 2 + Pause = Restarts game

Compatibility¶

Game	Issue
RoadBlasters	Graphics glitches. Minor flickering and glitches after starting a race.