求救

[B52]

明天就要做实验了，
可是我的程序还是不能运行
请高手帮我看一看
或者帮我写一个列子
题目要求：五个数，要求去掉最大的，和最小的
然后求平均值
data segment
da1 db 12h,23h,11h,10h,9h
;al ±íʾ×î´óµÄ
;bl ±íʾ×îСµÄ
data ends
code segment
start:
;mov bx,da1
;mov ax,da1
mov ax,da1
mov bx,da1
mov cx,4
Again:
cmp ax,da1[cx];cmp ax,[da1+cx]
jnbe Big
cmp bx,da1[cx]
jg Small

Big:
;mov B,da1[cx]
mov ax,da1[cx]
Small:
;mov S,da1[cl]
mov bx,da1[cx]

dec cl
jnz Again

mov dx,0
mov cx,5
Again2:
cmp da1[cx-1],ax
je Dosth
cmp da1[cx-1],bx
je Dosth
add dx,da1[cx-1]
dec cx
jnz Again2
Dosth:
dec cx
jnz Again2

div 3;mov al,al/3

code ends

end start

[csdsjkk]

mov si,offset da1
mov cx,5
mov dx,0
mov bx,0
mov ax,0
cld
m0:
lodsb
add dx,ax
cmp al,bl
jae m1
mov bl,al
m1:
cmp al,bh
jbe m2
mov bh,al
m2:
loop m0
mov al,bl
sub dx,ax
mov al,bh
sub dx,ax
mov cl,3
mov ax,dx
div cl
;al is丨count

[紫郢剑侠]

数据段的段地址都没送到DS寄存器?