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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.
This project is an effort to develop open source software for all old platforms, like MSX, Commodore, AMIGA, Atari, ..... and collect technical information about old platforms, keeping the "old skool" flame alive.
Hydrogen/Core51 is a Keil C51 None-Preemptive OS. CORE written by Pure C (well..almost Pure, has 10 lines inline ASM).
CORE minimal resource
**Size about 2.3~5K ROM, 20+ Byte RAM. it is depends modules your chosen.
**CORE also TAKE TIMER0 to tick for real-timing, and need xdata for HEAP
CORE Support
**dynamic Create/Terminate Thread(TASK)
**Synchronize Object (Event / Semaphore / Critical Section), Thread(TASK) Naturally GIVES UP CPU by WaitFor these Synchronize Object
**Common IO, it is STD C open/read/write in Any Stream Like IO(I2C, UART etc.)
...
FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use
A portable BASIC in the style of Microsoft 6502 BASIC (especially the Apple ][+ variant), with influence from GW-BASIC and Atari BASIC among others, with enhanced features, written in C for portability to computers large and small.
Fusion OS is a Open Source Operating System, mainly licensed under the MPL 1.1. Parts of it are licensed upder the GNU GPL or other open source licenses.
Fusion OS is based on the ReactOS project, and we contribute any bugs found in ReactOS back to them
This is GIMI, the Graphical Interfaced Multitasking Interpreter. One of the few GUIs made in QuickBASIC featuring multitasking. This one has its own script language for making programs, damm fast SVGA modes, lots of programs, and more!
Computer Manager is the first OS that takes advantage of the DOS and Linux filesystems. It also makes doing jobs easier for everyone. Once it is complete, it will be made available to everyone!
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