实验10-3
本帖最后由 18555587 于 2011-11-6 17:59 编辑assume cs:code
data segment
db 10 dup(0)
data ends
code segment
start:
mov ax,12666
mov bx,data
mov ds,bx
mov si,0
call dtoc
mov dh,8
mov dl,3
mov cl,2
call show_str
mov ax,4c00h
int 21h
dtoc:
mov bx,10
mov di,0
s2:
mov dx,0
div bx
add dx,30h
push dx
inc di
mov cx,ax
jcxz s3
jmp short s2
s3:
mov cx,di
s4:
pop ax
mov ,al
inc si
loop s4
mov si,0
ret
show_str:
mov ax,0b800h
mov es,ax
mov al,0a0h
dec dh
mul dh
mov bx,ax
mov al,2
mul dl
sub ax,2
add bx,ax
mov di,0
mov al,cl
mov ch,0
s1:
mov cl,
jcxz s
mov es:,cl
mov es:,al
inc si
add di,2
jmp short s1
s:
ret
code ends
end start
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