Friendly fZ80 is a new, modern desktop computer that runs CP/M 2.2 and MP/M II 2.1, Digital Research's multi-tasking, multi-user operating system for the 8-bit 8080 and Z80 microprocessor. fZ80 is built around a modern processor, uses a modern (VGA) display, modern keyboard, USB power and SD card storage.
21 June 2026 progress --> read this.
fZ80 CP/M has a 62K program area; MP/M has 208K memory in four banks, capacious by standards of the day. The emulated Z80 has an equivalent clock speed of approximately 66 MHz, and passes all known Z80 compatibility tests.
Housed in a painted aluminum cabinet approximately 8" x 4" x 2", the rear contains serial and parallel port connectors with "IBM PC" pinouts, plus USB-C connectors for keyboard and power.
Use the links in the bar at the top of the screen for provided CP/M and MP/M software, hardware details, manuals and other documentation and features.
Here are a few simple videos of the fZ80 in use, to get a sense of what it's like to use; boot CP/M, run MP/M, multiple "busy" screen programs, an example compile, etc.
There is a fZ80 Operator's Manual and documentation for all of the software and hardware involved. A printed manual (5" x 8", 120 pages) is included with every machine.
CP/M and MP/M software is found at the Software link in the bar at the top of the screen. Machine firmware updates and process are available here.
June 2026 -- a batch of 25 machines is under construction now. I'll post here and on the fediverse.