.ref _nothing ;直接返回德中斷服務(wù)程序符號(hào) 
	.ref _c_int0 ;復(fù)位向量符號(hào)

	.sect ".vectors"
RSVECT: B _c_int0 ;PM0 復(fù)位向量1
INT1:   B _nothing ;
INT2:   B _nothing;
INT3:   B _nothing;
INT4:   B _nothing;
INT5:   B _nothing;
INT6:   B _nothing;