Astrobe for Cortex-M3 is a fast and responsive complete integrated embedded software development environment for Windows. It is designed for developing reliable software to run on the powerful ARM Cortex-M3 microcontrollers. The programming language supported by Astrobe is the 2011 Revision of Oberon. You can now write high- and low-level software without having to use assembler or C. Features include interrupt programming, register parameters, advanced data structures and floating-point operations.