GEM or CP/M on a Jr?

Does anyone know if Digital Research's GEM or CP/M will run on a PCjr?
Vorticon wrote:I use GEM regularly for its file management operations as well as some word processing. Works great!
Meknapp wrote:Vorticon wrote:I use GEM regularly for its file management operations as well as some word processing. Works great!
Does GEM support the 16 color PCjr graphics modes, or are you stuck with the 4 color standard CGA modes?
OldComputerGuy wrote:What about ViewMax? That was basically the color version of GEM that shipped with later versions of DR DOS. Is anyone using that? DR DOS seems to be easier to get your hands on than GEM.