half write performance, half cpu load

[Bjoern Koenig]

Björn König wrote:

> Please have a look at Xatpic_intr0 and Xatpic_intr8. They are called 
> twice as often.

It was an error in reasoning. This is correct. The period of gauging is
longer, therefore interrupt 0 and 8 are naturally more often requested.

> The second hint is that ad_done and its descendents take 
> too much time.

It is also wrong.

Björn