A few links that I find useful:
John Monahan's S-100 Computers: http://s100computers.com/
James Moxham's Cyclone IV board Multicomputer information: http://www.smarthome.jigsy.com/fpga
Grant Searle's FPGA Multicomputer: http://searle.hostei.com/grant/Multicomp/
Multicomp CP/M Demo Disk: http://obsolescence.wix.com/obsolescence#!multicomp-fpga-cpm-demo-disk/c1fom