buserror/simavr — pull request #90 by bsekisser (2014-10-04 13:21:39+00:00)
Title: fix initialization of port_a on atmega16 devices.

This should fix issue #89, Atmega16 core avr_io_getirq returns NULL for PORTA.

modified: cores/sim_megax.c
replace use of device specific macro with check
for (in theory) ready to initialize port_a
structure.