分别在屏幕的第2,4,6,8行显示4句英文诗

 assume cs:code
data segment
db 16 dup (0)
data ends
code segment
  s1:    db 'Good,better,best,','$'
  s2:    db 'Never let it rest,','$'
  s3:    db 'Till good is better,','$'
  s4:    db 'And better,best.','$'
  s:      dw offset s1,offset s2,offset s3,offset s4
  row:  db 2,4,6,8
start:             mov    ax,data
                   mov    ss,ax
                   mov    sp,16
                   mov    si,offset s1
                   mov    dx,offset s  
                   mov    bx,offset row
                   mov    ax,cs
            mov    ds,ax
            mov    ax,0b800h
            mov    es,ax

          mov    cx,4
          mov    ah,0
          mov    al,160

so:                   ;数据段行循环      
          push    ax
          push    cx
          push    dx
          push    bx                ;保存当前寄存器参数
          mul byte ptr [bx]
          mov bx,dx
          mov     di,ax                 ;di  显存 初始位置
so1:      mov     si,[bx]
          cmp byte ptr [si],'$'
          jcxz     ok
          mov     al,[si]
          mov     ah,02h
          mov     es:[di],ax
          add      di,2
          inc       si
          jmp      short so1

ok:                     pop     bx
                        pop     dx
                        pop     cx
                        pop     ax
                        inc      bx
                        add     dx,2
                        loop    so
                        mov    ax,4c00h
                        int      21h
code ends
end start