汇编上机试题12年国三改编

Question

; ----------框架-----------

include io32.inc
.data
    ; 数据定义

N = 10
source byte 0feh,90h,0ffh,0ddh,0e0h,97h,61h,4ah,39h,30h
result byte N*2 dup(0)

.code

start:
; 主程序
lea esi,source
mov edi,offset result
cld
mov edx,N
lp1:
mov AL,[esi]
mov [edi],al
mov ecx,8
mov dh,0
lp2:shl al,1
jc lp3
inc dh
lp3:
loop lp2
inc edi
mov [edi],dh
inc esi
dec dl
jnz lp1

;====================
mov ecx,N
lea esi,result
disp:
lodsb

call disphb
mov al,' '
call dispc
loop disp
exit 0
; 子程序
end start