Fix intc_clear_interrupt being able to signal a new interrupt even if
interrupts are blocked (oops)
src/sh4/intc.c
interrupts are blocked (oops)
src/sh4/intc.c
Handle driver-unable-to-init case
src/aica/audio.c
src/aica/audio.h
src/drivers/audio_esd.c
src/main.c
src/aica/audio.c
src/aica/audio.h
src/drivers/audio_esd.c
src/main.c
.