But if someone has a hint about useful prior art, please let me know. http://fuzix.org/ http://fuzix.org/ - lots of 8-bit targets, z80 included http://cowlark

But if someone has a hint about useful prior art, please let me know. http://fuzix.org/ http://fuzix.org/ - lots of 8-bit targets, z80 included http://cowlark.com/cpmish/index.html http://cowlark.com/cpmish/index.html - has a vi-like editor, assembler, and is cp/m compatible so it can run lots of old cp/m software like various compilers