检测点9.2 检测点9.3
9.2assume cs:code
code segment
start:
mov ax, 2000h
mov ds, ax
mov bx, 0
s:
mov cx, 0
mov cl,
jcxz ok
inc bx
jmp short s
ok: mov dx, bx
mov ax, 4c00h
int 21h
code ends
end start
9.3
assume cs:code
code segment
start:
mov ax, 2000h
mov ds, ax
mov bx, 0
s:
mov cl,
mov ch, 0
inc cx
inc bx
loop s
ok: dec bx
mov dx, bx
mov ax, 4c00h
int 21h
code ends
end start
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