rint0_int.c

运行环境：CCS2.1

extern int ser0inbuf[20] ;
extern int ser0outbuf[20] ;
extern int ser0flag;
extern int ser0inwrcnt ;
extern int ser0outrdcnt;
interrupt void rint0_int(void)
{
volatile int *memap_baseaddr = (volatile int *)0x0 ;				/*;define the memory map register base address*/
		ser0flag = ser0flag+1;
		ser0inwrcnt = (ser0inwrcnt+1)%10;
		ser0outrdcnt =(ser0outrdcnt+1)%10;
		ser0inbuf[ser0inwrcnt] = memap_baseaddr[0x21] ;				/*LD     DRR11,A*/
		memap_baseaddr[0x23] = ser0outbuf[ser0outrdcnt] & 0xfffe ;	/*AND 	#0XFFFE,A*/
		
		
}