nes-proj/cpu/at91sam7s/io.h

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#ifndef __IO_H__7UTLUP9AG6__
#define __IO_H__7UTLUP9AG6__
#include <AT91SAM7S64.h>
#ifndef BV
#define BV(x) (1<<(x))
#endif
int splhigh(void);
void splx(int saved);
#endif /* __IO_H__7UTLUP9AG6__ */