utils.h

基于HMS7202的波形发生器源程序

#define _inw(addr) (*(volatile int *)(addr))
#define _outw(addr, data) ((*(volatile int *)(addr)) = (data))
#define _inb(addr) *(volatile char *)(addr)
#define _outb(addr, data) *(volatile char *)(addr) = data

void sys_setirq(int);
int isIRQ();