检测点14.1
assume cs:code
code segment
start:mov al,2
out 70h,al
in al,71h
;out 71h,0
mov ax,4c00h
int 21h
code ends
end start
检测点14.2
assume cs:code
code segment
start:mov ax,101
call mul10
int 4c00h
int 21h
mul10:push cx
push ax
mov cl,3
shl ax,cl
mov cx,ax
pop ax
shl al,1
add ax,cx
pop cx
ret
code ends
end start