contiki-os/contiki — pull request #488 by oliverschmidt (2013-12-03 20:35:36+00:00)
Title: Avoid access to the address register during auto-increment.

It cannot be ruled out that access to the address register triggers
an address auto-increment. Therefore a temporary address register
shadow is introduced to replace the access to the address regsiter.

Additionally there are several minor beautifications.