Version 1.1.0 of the library has been released. We add support for the ATmega2561 and 1281 chips, with pinouts defined from the MCUdude/MegaCore project. Code donations by Kizmit99. Plus, a ...

Situation: You want to include a timer interrupt service routine in an assembly language program for an AVR-based Arduino. The program will be written, assembled and uploaded using the Arduino IDE.