The .CDI to .CHD conversion of cdifile really just spews out a raw image and then invokes chdman; you can perform the steps yourself.
What new dumped ROM?
It is not new for you.
to run Lucky Luke partially.
(-m cdi605 -dvc gmpega3)
PS: Do you remember? I never spread it.
IŽm still waiting for the Philips CDI 180/18x ROM dumps. ; )