interrupts: Typo correction (pooling -> polling)

diff --git a/simavr/sim/sim_interrupts.c b/simavr/sim/sim_interrupts.c
index 0d98c9f..a9606a0 100644 (file)
--- a/simavr/sim/sim_interrupts.c
+++ b/simavr/sim/sim_interrupts.c
@@ -98,7 +98,7 @@ avr_raise_interrupt(
                return 0;
        }
        // always mark the 'raised' flag to one, even if the interrupt is disabled
-       // this allow "pooling" for the "raised" flag, like for non-interrupt
+       // this allow "polling" for the "raised" flag, like for non-interrupt
        // driven UART and so so. These flags are often "write one to clear"
        if (vector->raised.reg)
                avr_regbit_set(avr, vector->raised);