Why you are not more specific what type of problems you have. There are hundreds of working code for ps/2 keyboard in the net. I used some of them without any problems. I did'nt tested the ccs driver for ps2 but it is so simple that I don't expect any problems.
PS: By ccs ps2 driver I mean this one: http://www.ccsinfo.com/forum/viewtopic.php?t=27544