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/*
* Shows usage of interrupts. Goes along with zpu_core_small_wip.vhd.
*/
#include <stdio.h>
int counter;
/* Example of single, fixed interval non-maskable, nested interrupt */
void _zpu_interrupt(void)
{
/* interrupts are enabled so we need to finish up quickly,
* lest we will get infinite recursion!*/
counter++;
}
int main(int argc, char **argv)
{
int t;
t=counter;
for (;;)
{
if (t==counter)
{
puts("No interrupt\n");
} else
{
puts("Got interrupt\n");
}
}
}
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