test9咸的蛋疼做作业
assume cs:code,ss:stacksgdata segment
db 'welcome to masm!', 0
data ends
stacksg segment
dw 8 dup (0)
stacksg ends
code segment
start: mov dh, 8
mov dl, 3
mov cl, 2
mov ax,data
mov ds,ax
mov si,0
call show_str
mov ax,4c00h
int 21h
show_str:mov ax,0b800h
mov es,ax
mov al,160
sub dh,1
mul byte ptr dh
sub dl,1
add dl,dl
mov dh,0
add ax,dx
mov bx,ax
mov ax,0
mov al,cl
s:mov cl,
mov ch,0
jcxz ok
mov es:,cl
mov es:,al
inc si
add bx,2
jmp short s
ok: ret
code ends
end start
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