1、mov ax,xcwdlea si,ymov bx,[si]mov cx,[si+2]add ax,bxadc dx,cxlea di,wmov [di],axmov [di+2],dx2、lea si,xlea di,ymov ax,[si]mov dx,[si+2]mov bx,650mov cx,0add ax,bxadc dx,cxmov [di],axmov [di+2],dx