Addressing ATmega registers by number

[graynomad]

On my system it's in C:\arduino-1.0\hardware\tools\avr

from iom328p.h
#define DDRB _SFR_IO8(0x04)

from sfr_defs.h
#define _SFR_IO8(io_addr) ((io_addr) + __SFR_OFFSET)

---

Rob