Arduous

Arduous emulates Arduboy.

About this profile

Detail	Value
Type	libretro
Classification	Pure libretro
Source	https://github.com/libretro/arduous
Upstream	https://github.com/jmaroeder/arduous
Version	0.1.0, stated in CMakeLists.txt
Revision	libretro/arduous@831b83e67ad4
Profiled	2026-03-23
Profile	YAML, JSON
Cores	arduous
Systems	Arduboy

Technical notes

ATmega32U4 AVR simulator built on simavr with SSD1306 OLED display emulation. MCU hardcoded at 16 MHz (include/arduous/arduous.h:70-71). Game content (.hex) parsed via in-tree ihex reader and written directly into simavr flash (src/arduous/arduous.cpp:169-179). No system directory access.

No BIOS or firmware files required.

Next steps

• Get your files, for the setup you play on
• Every system, and the files each one needs
• When a game does not start

Data as of 4 November 2026.