Development tools.

I am currently using the following compilers:

Neo Geo CD, Sega CD and, Jaguar CD:
NeoDev GCC (2.95.2) compiler (http://www.neobitz.com/)

CD32:
Geek Gadgets Amiga GCC (2.95.2) cross compiler. (http://www.ninemoons.com/)

FM Towns:
FM Towns GCC (2.72) cross compiler under DosBox. (http://hp.vector.co.jp/authors/VA015321/).

CD-I:
OS-9 C compiler by Metaware. (http://www.oldergames.com/v2/dl.shtml)

PC Engine/Turbo Grafx 16 CD:
HuC (http://www.zeograd.com/parse.php?src=hucf&path=0,2)