> If you look hard at the dcxxx chips in uvax &c, you'll find that the
> dz device registers don't have the padding that the dc (pmax) devices
> have. So they ned either separate drivers, or a level of indirection.
> Ragge looked at the code and decided that the extra level
> of indirection wasn't worth the cost.

I'm now writing new 'bus_space'ed dc.c which are free from how hardware
registers are layouted on address space.

Tohru Nishimura