nes-proj/lib/include/isr.h

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2009-12-15 19:18:48 +00:00
#ifndef ISR_H
#define ISR_H
#define INTBASE (0x80020000)
#define INTENNUM_OFF (0x8)
#define INTDISNUM_OFF (0xc)
#define INTSRC_OFF (0x30)
#define INTENNUM INTBASE + INTENNUM_OFF
#define INTDISNUM INTBASE + INTDISNUM_OFF
#define INTSRC INTBASE + INTSRC_OFF
#define enable_tmr_irq() *(volatile uint32_t *)(INTENNUM) = 5;
extern void tmr_isr(void) __attribute__((weak));
#endif