A free operating system for the eZ8 microcontrollers licenced under the GNU General Public Licence v2. This operating system is written from scratch in pure eZ8 assembly language.

Kernel:

Simple filesystem in internal flash memory. Can be expanded using spi flash. Has built in wear leveling. Output to rs232 serial or vga using a gameduino. Input using rs232 serial or using a matrix keyboard using the built in driver software. Various kernel routines available to the user using jumptables. (display,string,spi,filesystem,flash,gameduino,math) Flash page0 protection

OS:

Commandline interface from which you can run programs. Built in text file viewer. Built in image viewer. Built in machine code monitor. Prints a page of flash on the screen as hexadecimal as well as ascii. Built in file loader program. Loads files/software via rs232 serial.

Complete list of applications for eZ8OS: Midi player

These applications rely on some kernel routines. It is possible to include the required kernel routines and run these applications stand-alone.