实验10.01 我究竟错在哪里了 大家指教一下
assume cs:abc , ds:datadata segment
db 'welcome to masm!',0
data ends
abc segment
start:mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
call show
mov ax,4c00h
int 21h
show: push cx
push si
mov al,0a0h
dec dh
mul dh
mov bx,ax
mov al,2
mul dl
sub ax,2
add bx,ax
mov ax,0B800h
mov es,ax
mov di,0
mov al,cl
mov ch,0
s:
mov cl,ds:
jcxz ok
mov es:,cl
mov es:,al
add di,2
inc si
jmp short s
ok: pop si
pop cx
ret
abc ends
end start
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