There's a big community built around DIY Z80 systems, if you're interested in that sort of thing. Grant Searle's breadboard CP/M machine: http://searle.x10host

There's a big community built around DIY Z80 systems, if you're interested in that sort of thing. Grant Searle's breadboard CP/M machine: http://searle.x10host.com/cpm/index.html http://searle.x10host.com/cpm/index.html Spencer Owen's RC2014 modular bus-based Z80 system: https://rc2014.co.uk/ https://rc2014.co.uk/ Highly active RC2014 discussion group: https://groups.google.com/forum/#!forum/rc2014-z80 https://groups.google.com/forum/#!forum/rc2014-z80 Phillip Stevens' beautiful YAZ180 Z180-based SBC: https://github.com/feilipu/yaz180 https://github.com/feilipu/yaz180 z88dk, a Z80 C cross compiler with libraries and all sorts of useful things, which supports many machines: https://www.z88dk.org/forum/ https://www.z88dk.org/forum/ Jon Langseth's LiNC80: http://linc.no/products/linc80-sbc1/ http://linc.no/products/linc80-sbc1/ Steve Cousins' many different machines, some RC2014-compatible, some z50bus (LiNC80) compatible, some Z180 stuff, SBCs, a powerful "small computer monitor", etc: https://smallcomputercentral.wordpress.com/projects/ https://smallcomputercentral.wordpress.com/projects/ Alan Cox's Fuzix, a unix for 8-bit machines (including many of the aforementioned Z80 machines): https://github.com/EtchedPixels/FUZIX https://github.com/EtchedPixels/FUZIX Most of the folks mentioned can be found on the retro-comp discussion group, which was formed from RC2014 group members to discuss other projects: https://groups.google.com/forum/#!forum/retro-comp https://groups.google.com/forum/#!forum/retro-comp