custom BIOS CP/M 3 ready to run under a Z80 emulator, by Stewart Kay.
For the 8086 based z80 emulator see:
[z80em86 sources](http://www.cpm.z80.de/download/z80em86-1.0.2.tar.gz)
[z80em86 binary](http://www.cpm.z80.de/download/z80em86-1.0.2-dos.zip) 