data segment 
num db 8 dup (?) 
max db 0 
min db 255 
data ends 

code segment 
assume cs:code,ds:data 
start: 
lea bx,num 
mov cx,20 
mov ah,1 
lp1: 
int 21h 
mov [bx],al 
inc bx 
cmp al,max 
jna lp2 
mov max,al 
lp2: cmp al,min 
jnl lp3 
mov min,al 
lp3: loop lp1 
mov ah,2 
mov cx,22 
lea bx,num 
lp4: mov dl,[bx] 
int 21h 
mov dl,\' \' 
int 21h 
inc bx 
loop lp4 
code ends 
end start 

;程序開始輸入20個8位無符號數.然后會先輸出這20個