bootloader: move static functions outside main setup
bootloader: move interrupt handler into asm, cleanup some code
bootloader: fix interrupt high level routine
bootloader: remove comments, save some bytes on unsigned16 values
PPS: fix generate
Intr: rename and fix interrupt reporting
sigmadelta: use opencores implementation
Bootloader: fix function initialization
papilio: use new sigmadelta
p1: disable simulation assertions
Rename interrupt controller
sim: fix compilation
sim: add dummy sketch loader