Anton Vorontsov wrote:

quoted

quoted

2. "ioport" because shift^Wstride ;-) applies only to the io range
 (yes, it's obvious, but worth open-wording, no?).

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  Contrarywise, to memory range.

By io range I meant "I/O base", in contrast to "CTL base".

There is no need to apply shifting for CTL. That's why ioport-*
appeared in the first place.

    So, a matter of wrong terminology then. The thing that you meant by "I/O" 
is actually called "command block".

MBR, Sergei