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Software development for 4Mb portable, using Z80 CPU and AA batteries
This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame).
We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications).
We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation).
However, we continue to publish files for download here.
Small real time operating system for AVR and ARM microcontrollers
AvRtos is a small, preemtive, priority based real time operating system for Atmel AVR and ARM microcontrollers.
It was written in C.
AvRtos provides message queues and semaphores for task synchronization. It uses a static memory allocation scheme.
AvRtos is nearly the smallest RTOS out there. Even pico]OS is much bigger.
AvRtos can be compiled using gcc compiler. There is a AvrStudio 4 and Eclipse project file to get the example code working very quickly.
Embeddedable Forth compiler is a Forth system for 32 bit devices with no OS. I am currently using it with ADUC7026 board. Also tested on STM32. Win32 version is is used for testing.
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Project-Sparroh is a hobby operating system project. Goal is to write an OS from scratch for the purposes of learning how they work and for fun. An assembler and high level language cross-compiler will also be written first and used to build the OS.
K-OS is an open-source realtime-operating-system based on the OSEK/VDX standard aimed at compiler and microcontroller independence. Currently we support Motorola (Freescale) HC12/HCS12/HCS12X targets.
PRE-ALPHA! Eventually, it will become a minimal but fully ISO 9899:1989 / 1999 compliant C standard library framework in the Public Domain, with clean OS interfaces, as a starting point for OS / compiler development. PRE-ALPHA!
Javum, the Java Virtual Unix Machine, is an ambitious project which aims to provide a full virtualized Unix environment including C compiler (GCC), Unix-like API, shell, and command line tools, inside of a JVM. Details @ http://javum.wiki.sourceforge.net
MEDDAC is the seeding point for designing a new approach to Operating System design itself. It is an Open Source project with roots in mainframe design and development the author began in 1979. Monitor Editor Disassembler Decompiler Assembler Compiler
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SDL REFLEX is the micro kernel of a real time operating system for the AVR microcontroller family. The kernel is especially designed to implement systems described in SDL The Specification and Description Language . Compiler GNU ANSI-C for AVR v.3.3
This is a library library for the handyboard (www.handyboard.com for a description), which can be used with the gcc m68hc11 compiler. The library has a somewhat different feature set from Interactive C but should be much faster.
QuickOS is a really-quick-realtime-multitasking-os, that requires less than a second to boot up. Basic-kernel-functions will be written with NASM assembler. We should get a C/C++ compiler to work for us.