Decided to do a search today to get some useful links for CP/M mode on the 128 since it's been discussed alot lately. So, here goes, hope this is useful to some of you. :-)
Here's one that has the CP/M disks in D64 format.
CP/M System Files Overview Page
http://members.tripod.com/~rvbelzen/cpm/index.html
Here's one that has ASM source files to the latest CP/M plus pack along with good links to CP/M related things
Commodore 128 CP/M Plus
http://www.devili.iki.fi/Computers/Commodore/C128/CPM/
A link to Programmer's heaven download of Commodore 128 CP/M Memory map (summary)
Commodore 128 CP/M memory map at Programmer's heaven
http://www.programmersheaven.com/download/3446/download.aspx
Also available here: http://www.tkk.fi/Misc/cbm/docs/c128-cpm.html
antigrav's supercharging CP/M toolkits
http://web.mit.edu/randy/www/antigrav/cpm.html
Index of the C128 Club (many files, and seems good amount of CP/M related material too.
http://www.znode51.de/clubs/c128club/
FTP Pokefinder site.Search for stuff on 10 mapped servers, seems to have a whole bunch of files CP/M or otherwise.
http://ftp.pokefinder.org/
And here is another good resource, even has MP/M as well (the Multi-User version of CP/M)...and a whole heap of other variations.
http://www.cpm.z80.de/
So anyone know enough Z80 assembler and C128 internals to get MP/M ported to the C128 ? .. cause I sure don't! :-)
Thinking about it .. it would make an excellent start for a C128 BBS ... maybe...