FORTH system on bare metal.
The challenge is to create the drivers.
It turns out the optimal ratio of capacity
to the simplicity of the device. It can be used for
studies hardware and serve
intelligent loader system level 2,
therefore it called ProtoOS.
Loading from the Dos
The system source code. Going under SPF4 http://spf.sf.net.
There is an incomplete compatibility between SPF4 and ProtoOS.
The prototype is http://fpauk.narod.ru/protoos_.rar
The main difference: added MAKE-DIR - creation of directories.
In use there are no restrictions in accordance with http://wiki.forth.org.ru/evolutionary%20way